| Manufacturer  | Model  | Category  | Sub-Category  | Date   |
| | | | | |
 | Kienzle Apparate GmbH | 1200 | | | 1978< |
| | 2200 | | | 1980 |
| | | | | |
 | Kinetic Computer Corp. | OBC-32 | | | 1990s |
| | | | | |
 | Kode Ltd. | 3200 | | | 1980s |
| | 4200 | | | 1980s |
| | | | | |
 | Kolbinger Electronic | PCQT | | | 2000s |
| | | | | |
 | Kontron Microcomputer GmbH | KBS (aka Kontron Büro-System) | | | 1970s |
| | KBS 10 | | | 1979< |
| | KBS 20 | | | 1981< |
| | KBS 20/MTU | | | 1981< |
| | KBS 5 | | | 1981< |
| | | | | |
 | Kearfott Co. Inc. (div. General Precision) | AN/ASN-41 | Analog | Airborne | 1963 |
| | | | | |
 | K. Sviridov/L. Ermakov | ZX NeXT | Home computer | ZX clone | 1990s |
| | | | | |
 | K.-S. Marton | Homebrew Z80 Computer | Home computer | | 2008 |
| | | | | |
 | Kano | Kano Kit | Home computer | Kit | 2013 |
| | | | | |
 | Kaunas Plant | Santaka 002 | Home computer | ZX clone | 1990 |
| | | | | |
 | Kaunas University of Technology (KTU) | Impuls | Home computer | Radio-86RK clone | 1980s |
| | Santaka 002 | Home computer | ZX clone | 1990 |
| | | | | |
 | Kawai Musical Instruments Manufacturing Co., Ltd. | KMC-5000 (by Panasonic) | Home computer | MSX2 | 1987 |
| | | | | |
 | Keltek | BBC Model B (lic.) | Home computer | | 1982 |
| | | | | |
 | Kenbak Corp. | Kenbak-1 | Home computer | | 1971 |
| | | | | |
 | Kiev Elektronmash Production Association Imeni V.I. Lenin | PK-01 Lviv | Home computer | | 1986 |
| | | | | |
 | Kims Computer | K-48 | Home computer | Apple 2 clone | 1983 |
| | K-64 | Home computer | Apple 2 clone | 1983 |
| | | | | |
 | Kit House | Rodent | Home computer | Kit | 1977 |
| | | | | |
 | Kombinat po Mikroprotsesorna Tekhnika Pravetz (KMT Pravetz) | 8A | Home computer | Apple 2 clone | 1986 |
| | 8B | Home computer | | 1980s |
| | 8C | Home computer | Apple 2 clone | 1988 |
| | 8D | Home computer | Oric clone | 1985 |
| | 8E | Home computer | Apple 2 clone | 1987 |
| | 8M | Home computer | Apple 2 clone | 1985 |
| | 8S | Home computer | Apple 2 clone | 1990 |
| | 82 (aka IMKO-2) | Home computer | | 1985 |
| | IMKO-1 | Home computer | Apple 2 clone | 1980 |
| | IMKO-2 | Home computer | Apple 2 clone | 1982 |
| | IMKO-2M | Home computer | Apple 2 clone | 1980s |
| | IMKO-3 | Home computer | Apple 2 clone | 1980s |
| | | | | |
 | Kompleks Uchebnoy Vychislitelnoy Tekhniki (KUVT) | Korvet | Home computer | | 1990s |
| | | | | |
 | Komponent/Angstrom/Prokom Alliance | Master | Home computer | ZX clone | 1990s |
| | | | | |
 | Komtek Technologies, Ltd. | KOMTEK-1 | Home computer | | 1983 |
| | Radionic | Home computer | | 1983 |
| | | | | |
 | Kondor & Kramis | Profi | Home computer | ZX clone | 1991 |
| | | | | |
 | Kontron Microcomputer GmbH | PSI 80 | Home computer | | 1980 |
| | | | | |
 | Kooperativ "Sonet" - Minsk | Baltik Russian | Home computer | ZX clone | 1988 |
| | | | | |
 | Kooperativom Foton - Penza | Foton Ik-02 | Home computer | ZX clone | 1990s |
| | | | | |
 | Korea Permcom Land | Prostar-128e | Home computer | Apple 2 clone | 1980s |
| | Prostar-64A | Home computer | Apple 2 clone | 1980s |
| | Prostar-64D | Home computer | Apple 2 clone | 1980s |
| | | | | |
 | Koryo Systems, Inc. | KSYS-800 (=Sord M5, Famicom FC-150) | Home computer | | 1985~ |
| | TommyCom (=Sord M5) | Home computer | | 1983~ |
| | | | | |
 | Kovylkinsky Electromechanical Plant (KEZ) | Agat-4 | Home computer | Apple 2 clone | 1983> |
| | | | | |
 | Krasnoyarskom zavode televizorov | Rassvet I9.22 | Home computer | | 1989 |
| | | | | |
 | Krok (div. NGO Orbit) | Krok | Home computer | ZX clone | 1990s |
| | | | | |
 | Kronos Europea | Aquarius | Home computer | | 1983 |
| | | | | |
 | Kuen Hwa Electric Co. | KHP-4006A | Home computer | Apple 2 clone | 1980s |
| | | | | |
 | Kursk Schetmash Calculating Machine Factory (div. Minpribor) | Delta-C | Home computer | ZX clone | 1990s |
| | Delta-S 128 | Home computer | ZX clone | 1990s |
| | Delta-S 48 | Home computer | ZX clone | 1990s |
| | Iskra 1085 | Home computer | ZX clone | 1990~ |
| | | | | |
 | Kwanasia Tele-Computers Ltd. | Accord 8000 | Home computer | Apple 2 clone | 1980s |
| | | | | |
 | Kyber Calcolatori | Superkit | Home computer | Kit | 1983 |
| | | | | |
 | Kyocera Corp. | YC-100 | Home computer | | 1984 |
| | YC-64 | Home computer | MSX | 1983 |
| | | | | |
 | Kiev Plant of Computers and Electronic Control Machines (VUM) | Kashtan | Industrial | | 1969 |
| | | | | |
 | Kazanskiy Zavod Elektronno-vychislitelnykh Mashin (KZEVM) | ES-1033 | Mainframe | RYAD | 1975 |
| | ES-1045 | Mainframe | RYAD | 1979 |
| | ES-1046 | Mainframe | RYAD | 1984 |
| | M-20 | Mainframe | Early | 1958 |
| | M-205 | Mainframe | | 1960s |
| | M-220 | Mainframe | | 1964 |
| | M-222 | Mainframe | | 1965 |
| | M-222M | Mainframe | | 1965 |
| | | | | |
 | Kiev Plant of Computers and Electronic Control Machines (VUM) | DNEPR-2 (/DNEPR-21,22) | Mainframe | | 1967 |
| | DNEPR-21 | Mainframe | | 1967 |
| | DNEPR-22 | Mainframe | | 1967 |
| | M-2000 | Mainframe | | 1967 |
| | M-3000 | Mainframe | | 1970 |
| | M-400 | Mainframe | | 1974 |
| | M-4000 | Mainframe | | 1972 |
| | M-4030 | Mainframe | | 1973 |
| | M-4030-1 | Mainframe | | 1977 |
| | M-6000 | Mainframe | | 1974 |
| | M-7000 | Mainframe | | 1970s |
| | | | | |
 | Kvant - Minsk | Sneg | Mainframe | | 1964 |
| | Vesna | Mainframe | | 1964 |
| | | | | |
 | Kyoto University | KDC-1 | Mainframe | Early | 1959 |
| | | | | |
 | Kalamazoo | 1000 | Micro | | 1980s |
| | 1050 | Micro | | 1983< |
| | | | | |
 | Kalidor (div. Alps Electric) | K2000 | Micro (P) | Pen computer | 1995 |
| | K2100 | Micro (P) | Pen computer | 1995 |
| | K2500 | Micro (P) | Pen computer | 1996 |
| | | | | |
 | Kanematsu-Gosho Ltd. | KOS PC80 | Micro | | 1981 |
| | | | | |
 | Karadawn Ltd. | KD 700 | Micro | | 1981 |
| | | | | |
 | Kaypro Corp. | Kaycomp I | Micro | | 1982 |
| | Kaypro 1 | Micro (P) | | 1986 |
| | Kaypro 10 | Micro (P) | | 1983 |
| | Kaypro 16 | Micro (P) | | 1985 |
| | Kaypro 162E | Micro | | 1986 |
| | Kaypro 16E | Micro | | 1986 |
| | kaypro 2+84 (aka 2X MTXC) | Micro (P) | | 1984 |
| | Kaypro 200 | Micro | | 1985< |
| | Kaypro 2000 | Micro (P) | | 1985 |
| | Kaypro 2020 | Micro | | 1988 |
| | Kaypro 2100 | Micro (P) | | 1998 |
| | Kaypro 286 | Micro | | 1988 |
| | Kaypro 286i Model A | Micro | | 1991 |
| | Kaypro 2X | Micro (P) | | 1984 |
| | Kaypro 2X300 | Micro | | 1984 |
| | Kaypro 386 E130 | Micro | | 1986 |
| | Kaypro 386 E20 | Micro | | 1988 |
| | Kaypro 386 E40 | Micro | | 1986 |
| | Kaypro 386A | Micro | | 1988 |
| | Kaypro 4 | Micro (P) | | 1983 |
| | Kaypro 4+88 | Micro (P) | | 1983 |
| | Kaypro 4X | Micro (P) | | 1984 |
| | Kaypro Expansion Unit + | Micro | | 1986 |
| | Kaypro II | Micro (P) | | 1982 |
| | Kaypro II+88 | Micro (P) | | 1984 |
| | Kaypro KC-1 | Micro | | 1989 |
| | Kaypro KC-2 | Micro | | 1989 |
| | Kaypro KC-3/25 | Micro | | 1989 |
| | Kaypro LC-10 | Micro | | 1991 |
| | Kaypro LC-20 | Micro | | 1991 |
| | Micro I | Micro | | 1988 |
| | New Kaypro 2 | Micro (P) | | 1985 |
| | Omni II Logic Analyzer (by OmniLogic) | Micro | | 1983 |
| | Robie | Micro | | 1984 |
| | Robie 300 | Micro | | 1984 |
| | | | | |
 | KCB Micros Ltd. | Videcom Apollo | Micro | | 1983 |
| | | | | |
![?]() | KEB | TC 2001 | Micro | | 1980s |
| | | | | |
 | Kemitron Electronics Ltd. | UDS 3000 | Micro | | 1981< |
| | | | | |
 | Kemitron Ltda. | Naja | Micro | TRS-80 clone | 1983 |
| | Naja 800 | Micro | TRS-80 clone | 1985 |
| | | | | |
 | Kenilworth Computers Ltd. | 83 | Micro | | 1984 |
| | 83G | Micro | | 1983< |
| | 83N | Micro | | 1983< |
| | ? | Micro (P) | | 1982 |
| | | | | |
 | Keronix, Inc. | IDS-16M | Micro | | 1975 |
| | | | | |
 | Kienzle Apparate GmbH | 1100 | Micro | | 1975 |
| | CC-9010 (by Kontron) | Micro | | 1980 |
| | | | | |
 | Kiev Elektronmash Production Association Imeni V.I. Lenin | Poisk | Micro | | 1988 |
| | | | | |
 | Kinetic Systems Corp. | Concept 8010 | Micro | | 1978< |
| | P-Cam | Micro | Industrial | 1978< |
| | P-Cam286 | Micro | Industrial | 1978< |
| | | | | |
 | Klaschka GmbH & Co. KG | SERAM B/P5 | Micro (P) | | 1980s |
| | | | | |
 | KMS Advanced Products, Inc. | CP-1932/UYK | Micro | | 1990s |
| | CP-1933/UYK | Micro | | 1990s |
| | RMC-4000 | Micro | | 1990s |
| | | | | |
 | Kneisner & Doering Elektronik GmbH | IMS 5000 (by Televideo) | Micro | | 1983< |
| | IMS 8000 (by IMS) | Micro | | 1983< |
| | KD 3000 | Micro | | 1982 |
| | M100 | Micro | | 1976 |
| | | | | |
 | Kodlix (by AZW) | Z83 | Micro | MiniPC | 2000s |
| | | | | |
 | Kokusai Electric Co., Ltd. | KDS 7861 | Micro | | 1983 |
| | | | | |
 | Kombinat po Mikroprotsesorna Tekhnika Pravetz (KMT Pravetz) | 68 | Micro | | 1980s |
| | ES-1839 | Micro | | 1987 |
| | MIK 16B (=Pravetz 16B) | Micro | | 1985 |
| | Program 1024 | Micro | Industrial | 1980s |
| | | | | |
 | Kombinat Rationalisierung und Ingenieurtechnik Magdeburg (KRIM) | NPC8 | Micro | | 1990s |
| | | | | |
 | Kontiki-Data A/S | Tiki-100 | Micro | | 1984 |
| | | | | |
 | Kontron Microcomputer GmbH | C 8002 | Micro | | 1981 |
| | ECB | Micro | | 1982< |
| | ELE-380 | Micro | | 1981< |
| | IP Lite Color | Micro (P) | | 1990 |
| | KBS Z80 | Micro | | 1979 |
| | KSM32 | Micro | | 1987 |
| | KSM386 | Micro | | 1988< |
| | PSI 80 Turbo | Micro | | 1982 |
| | PSI 80/900 | Micro | | 1982< |
| | PSI 80/Boss | Micro | | 1982 |
| | PSI 80/TC | Micro | | 1982< |
| | PSI 800Q/M2 | Micro | | 1982< |
| | PSI 800Q/W10 | Micro | | 1982< |
| | PSI 800Q/W5 | Micro | | 1982< |
| | PSI 801 D/M2 | Micro | | 1982 |
| | PSI 80D | Micro | | 1980 |
| | PSI 80D/M2 | Micro | | 1982< |
| | PSI 80Q/S2 | Micro | | 1982< |
| | PSI 80Q/W5 | Micro | | 1982< |
| | PSI 82 D/M2 | Micro | | 1982 |
| | PSI 900Q/M2 | Micro | | 1982< |
| | PSI 900Q/W5 | Micro | | 1982< |
| | PSI 9068 | Micro | | 1983 |
| | PSI 908 | Micro | | 1983 |
| | PSI 916 | Micro | | 1983 |
| | PSI 98 | Micro | | 1985< |
| | PSI 98/900 | Micro | | 1985< |
| | PSI 980 | Micro | | 1984 |
| | PSI 98Q/M2 | Micro | | 1985< |
| | PSI 98Q/W25 | Micro | | 1985< |
| | PSI 98T/M2 | Micro | | 1985< |
| | PSI 9C | Micro | | 1982< |
| | | | | |
 | Korea Data Systems Co. (KDS) | KSYS-168 | Micro | | 1985 |
| | KSYS-80 | Micro | | 1985 |
| | | | | |
 | Kuang Yuan Co., Ltd. | JM-3005 | Micro | | 1984 |
| | JM-3015 | Micro | | 1984 |
| | JM-3018 | Micro | | 1983 |
| | | | | |
 | Kursk Schetmash Calculating Machine Factory (div. Minpribor) | Iskra 1080 (Tartu) | Micro | | 1988 |
| | Iskra 226 (Wang 2200 clone) (7 models) | Micro | | 1981 |
| | Iskra 554 (dev. by ZEV) | Micro | | 1980s |
| | Iskra 555 | Micro | | 1983 |
| | | | | |
 | Kurt Manufacturing, Co. | Kurt 5000 | Micro | Industrial | 1990s |
| | | | | |
 | kws Computersysteme GmbH | EB 68/20 System 1 | Micro | | 1986 |
| | SAM 68K System 2 | Micro | | 1984< |
| | | | | |
 | Kyber Calcolatori | Minus | Micro | | 1982 |
| | Modulus | Micro | | 1982 |
| | Task3 | Micro | | 1983 |
| | | | | |
 | Kyocera Corp. | KC-85 | Micro (P) | | 1983 |
| | | | | |
 | Kyoto Computer Gakuin (KCG) | MY-KiT-8816 | Micro | | 1981 |
| | | | | |
 | Kantronics Company, Inc. | PDAC | Minicomputer | | 1973 |
| | | | | |
![?]() | Karlin | Atlas | Minicomputer | | 1981 |
| | | | | |
 | Katcard Systems Ltd. | System 340 (/GA 440DS) | Minicomputer | | 1978 |
| | | | | |
 | Keronix, Inc. | IDS-16/10 | Minicomputer | | 1974 |
| | IDS-16/12 (Nova clone) | Minicomputer | | 1974 |
| | IDS-16/8 | Minicomputer | | 1974 |
| | KX-8000 | Minicomputer | | 1978 |
| | | | | |
 | Keydata Corp. | Unity | Minicomputer | | 1970s |
| | | | | |
 | Kiev Plant of Computers and Electronic Control Machines (VUM) | SM-3 | Minicomputer | | 1978 |
| | SM-4 | Minicomputer | | 1979 |
| | | | | |
 | KMW Systems Corp. | 8911A | Minicomputer | Communication processor | 1987< |
| | | | | |
 | Kongsberg Vapenfabrikk A/S | KS-300 | Minicomputer | | 1974 |
| | KS-400 | Minicomputer | | 1974 |
| | KS-500 | Minicomputer | | 1974 |
| | | | | |
 | Korea Institute of Science and Technology (KIST) | Sejong No. 1 (/Nova 01) | Minicomputer | | 1973 |
| | | | | |
 | Krantz Computer GmbH & Co. KG | Mulby 3/10 | Minicomputer | | 1974 |
| | Mulby 3/30 | Minicomputer | | 1973 |
| | Mulby 3/35 | Minicomputer | | 1973 |
| | Mulby M | Minicomputer | | 1970 |
| | Muldas | Minicomputer | | 1976< |
| | Multi 3 | Minicomputer | | 1975< |
| | | | | |
 | Krupp-Atlas Maschinenbau GmbH | EPR 1100 | Minicomputer | | 1977 |
| | EPR 1300 | Minicomputer | | 1978 |
| | EPR 1500 | Minicomputer | | 1978 |
| | MPR 1300 | Minicomputer | | 1984 |
| | MPR 1300SD | Minicomputer | | 1984 |
| | | | | |
 | Kienzle Apparate GmbH | 2000-2 | Office | | 1972 |
| | 2000-3 | Office | | 1972 |
| | 2800 | Office | | 1972< |
| | 4000 | Office | | 1972< |
| | 4300 | Office | | 1973 |
| | 4500 | Office | | 1973 |
| | 5000 | Office | | 1968 |
| | 5100 | Office | | 1978< |
| | 5600 | Office | | 1969 |
| | 6000 E | Office | | 1972 |
| | 6000 M | Office | | 1969 |
| | 6000 R | Office | | 1969 |
| | 6000 S | Office | | 1968 |
| | 6000 S/E | Office | | 1969 |
| | 6000-2 | Office | | 1975< |
| | 6000-4 | Office | | 1975< |
| | 6000-5 | Office | | 1975< |
| | 6000/BTS | Office | | 1974< |
| | 6000E | Office | | 1972 |
| | 6000M | Office | | 1972 |
| | 6000R | Office | | 1972 |
| | 6000S | Office | | 1968 |
| | 6016 S | Office | | 1970 |
| | 6100 | Office | | 1972 |
| | 6100-3 | Office | | 1975< |
| | 6100-5 | Office | | 1975< |
| | 6100-7 | Office | | 1975< |
| | 6600 | Office | | 1975 |
| | 6600-4 | Office | | 1976 |
| | 6600-6 | Office | | 1976 |
| | 6600-7 | Office | | 1976 |
| | 6600-8 | Office | | 1975< |
| | 9033 | Office | | 1982 |
| | 9044 | Office | | 1981 |
| | 9055 (=ABC Computer) | Office | | 1980 |
| | 9066 | Office | | 1977 |
| | 9066 KS | Office | | 1982 |
| | 9066/90 | Office | | 1981< |
| | 9077 | Office | | 1982 |
| | 9088 | Office | | 1982 |
| | BDE 1620 | Office | | 1977 |
| | EFAS 2000 | Office | | 1976 |
| | EFAS 2200 | Office | | 1976 |
| | MCS 9122 | Office | | 1984 |
| | MCS 9133 | Office | | 1984 |
| | MCS 9134 | Office | | 1985 |
| | MCS 9144 | Office | | 1984 |
| | MCS 9145 | Office | | 1985 |
| | MCS 9155 | Office | | 1984 |
| | MCS 9166 | Office | | 1984 |
| | MCS 9177 | Office | | 1984 |
| | MCS 9188 | Office | | 1972 |
| | MCS 9700 | Office | | 1983 |
| | MPS 9230 | Office | | 1986 |
| | MPS 9240 | Office | | 1986 |
| | MPS 9250 | Office | | 1986 |
| | MXS 9340 | Office | | 1988 |
| | MXS 9360 | Office | | 1988 |
| | MXS 9370 | Office | | 1988 |
| | System 800 | Office | | 1965 |
| | | | | |
 | Kode Ltd. | XL-40 | Office | | 1980s |
| | | | | |
 | Kurzweil Computer Products, Inc. (KCPI) | 4000 | Office | | 1985 |
| | | | | |
 | Kyber Calcolatori | Polips | Office | | 1982 |
| | | | | |
 | Kikuichi | PC-A10 | Pocket (P) | | 1987 |
| | PC-A2 | Pocket (P) | | 1987 |
| | | | | |
 | K. F. Weigand | ? | SBC | | 1970s |
| | | | | |
 | Kacer Industrial Co., Ltd. | PICMG1.3 | SBC | | 2000s |
| | | | | |
 | kws Computersysteme GmbH | SAM 68k | SBC | | 1982 |
| | | | | |
 | Kienzle Apparate GmbH | 2805 | Server | | 1990 |
| | 2830 | Server | | 1990 |
| | 2840 | Server | | 1990 |
| | 2850 | Server | | 1990 |
| | 2855 | Server | | 1992 |
| | 2865 | Server | | 1993 |
| | | | | |
![?]() | Kik Data | Kik 486/66 EL | Server | | 1996< |
| | | | | |
 | Kingdom Computers | KC PCI SuperServer Pentium/60 | Server | | 1994 |
| | | | | |
 | KocSistem Bilgi ve Iletisim Hizmetleri A.S. | BEKO BusinessLine SR2100 | Server | | 2000> |
| | | | | |
 | Koi Computers | AdvServ 2000/550 | Server | | 2003< |
| | ProServ 2000/550 | Server | | 2003< |
| | | | | |
 | K. Leonhardt | Relaiscomputer | Special | | 2000s |
| | | | | |
 | Kalmykov SAM factory of the USSR - Moscow | Argon-16 (prod.) | Special | Guidance computer | 1974 |
| | | | | |
 | Katholieke Universiteit Leuven | Paged | Special | Dataflow machine | 1980s |
| | | | | |
 | Kazanskiy Zavod Elektronno-vychislitelnykh Mashin (KZEVM) | SETUN | Special | Early | 1958 |
| | SETUN-70 | Special | | 1970 |
| | | | | |
 | KB-2 Laboratory - Leningrad | UM-1NKH (dev.) | Special | Industrial | 1962 |
| | UM-2 (dev.) | Special | Guidance computer | 1960s |
| | | | | |
 | Kearfott Co. Inc. (div. General Precision) | AN/ASN-24 | Special | Airborne | 1963 |
| | AN/ASN-24(G) | Special | Airborne | 1963 |
| | AN/ASN-24(V) | Special | Airborne | 1967 |
| | AN/AYK-13 | Special | Airborne | 1971 |
| | AN/AYK-18 | Special | Airborne | 1963 |
| | GPK-10 | Special | | 1967 |
| | GPK-20 | Special | | 1967 |
| | GPK-50 | Special | | 1967 |
| | GPL-33 | Special | Guidance computer | 1967< |
| | L-31 | Special | Guidance computer | 1967< |
| | MicroMINAC | Special | | 1968 |
| | SKC-2000 | Special | | 1971 |
| | | | | |
 | Keio Gijuku University | K-1 | Special | | 1960s |
| | KCC | Special | | 1960s |
| | | | | |
 | Keithley Instruments, Inc. | System 2 | Special | | 1979 |
| | | | | |
 | Kiev Plant of Computers and Electronic Control Machines (VUM) | DNEPR-1 | Special | | 1961 |
| | | | | |
 | Kiev State Plant "Burevestnik" | Karat 1 | Special | Military | 1973 |
| | Karat 4 | Special | Military | 1987 |
| | | | | |
 | Kim Il Sung University | Yongnamsan 1 | Special | | 1970s |
| | | | | |
 | Koden Electronics Co., Ltd. | KODIC-401 | Special | | 1960 |
| | KODIC-402 | Special | | 1961 |
| | OTSUDAC-1 | Special | | 1963 |
| | Parametron computer (Prototype) | Special | Early | 1957 |
| | | | | |
 | Kokusai Denshin Denwa Corp. (KDD) | KR-1 | Special | | 1960s |
| | KR-2 | Special | | 1960s |
| | | | | |
 | Kollsman Instrument Corp. | AGDIC | Special | Airborne | 1964< |
| | | | | |
 | Korea Advanced Minicomputer Development Consortium (KAMDEC) | TICOM III (with ETRI) | Special | Parallel computer | 1990s |
| | | | | |
 | Kurzweil Computer Products, Inc. (KCPI) | MAX | Special | | 1970s |
| | | | | |
 | Kyoto University | DDPA | Special | Dataflow machine | 1983 |
| | KT-Pilot (with Toshiba) | Special | | 1961 |
| | | | | |
 | Kendall Square Research (KSR) | KSR-1 | Supercomputer | Parallel computer | 1991 |
| | KSR-1/1088 | Supercomputer | | 1991 |
| | KSR-1/32 | Supercomputer | | 1991 |
| | KSR-1/8 | Supercomputer | | 1991 |
| | KSR-2 | Supercomputer | Parallel computer | 1993 |
| | | | | |
 | Koi Computers | Koi 1021TM-INF+B Twin | Supercomputer | | 2009 |
| | SciPhi XVI | Supercomputer | | 2016 |
| | | | | |
 | Kyoto University | ADENA I | Supercomputer | Parallel computer | 1978 |
| | ADENA II | Supercomputer | Parallel computer | 1984 |
| | PAX-32 | Supercomputer | | 1980 |
| | PAX-9 | Supercomputer | | 1978 |
| | QA-1 | Supercomputer | | 1980 |
| | QA-2 | Supercomputer | | 1983 |
| | | | | |
![?]() | Kakadu | K-88 | Tablet (P) | | 2010s |
| | | | | |
 | Kaos Entertainment | Master Tablet 1.3 | Tablet (P) | | 2014 |
| | Speed Tablet 10 | Tablet (P) | | 2014 |
| | Speed Tablet 7 | Tablet (P) | | 2014 |
| | | | | |
 | Karbonn Mobiles (div. Jaina Group) | A34 HD Star | Tablet (P) | | 2012 |
| | ST52 | Tablet (P) | | 2010s |
| | ST72 | Tablet (P) | | 2014 |
| | | | | |
 | KDDI (by LG, Kyocera) | Qua Tab O2 LTE | Tablet (P) | | 2016 |
| | | | | |
 | Keener | K-7H | Tablet (P) | | 2012 |
| | K-8S | Tablet (P) | | 2013 |
| | K-9S | Tablet (P) | | 2013 |
| | | | | |
 | Keian Corp. | KA7023 7 | Tablet (P) | | 2013 |
| | KPD101R | Tablet (P) | | 2013 |
| | KPD102R | Tablet (P) | | 2013 |
| | KPD1080R | Tablet (P) | | 2013 |
| | KPD1080R V2 | Tablet (P) | | 2013 |
| | KPD701R | Tablet (P) | | 2013 |
| | KPD701R V2 | Tablet (P) | | 2013 |
| | KPD702R V2 | Tablet (P) | | 2013 |
| | KPD704R | Tablet (P) | | 2013 |
| | M101R | Tablet (P) | | 2012 |
| | M1021S | Tablet (P) | | 2012 |
| | M1021S Pro | Tablet (P) | | 2012 |
| | M1026S | Tablet (P) | | 2013 |
| | M1041S | Tablet (P) | | 2013 |
| | M702S | Tablet (P) | | 2012 |
| | M702S LB | Tablet (P) | | 2013 |
| | M702S V2 | Tablet (P) | | 2013 |
| | M703 JP2 | Tablet (P) | | 2013 |
| | M703S JP | Tablet (P) | | 2012 |
| | M704S J | Tablet (P) | | 2013 |
| | M704S JP | Tablet (P) | | 2012 |
| | M704S Pro | Tablet (P) | | 2012 |
| | M706S | Tablet (P) | | 2013 |
| | M706S Pro | Tablet (P) | | 2013 |
| | M716S | Tablet (P) | | 2014 |
| | M716S V2 | Tablet (P) | | 2013 |
| | M785S | Tablet (P) | | 2014 |
| | M901S | Tablet (P) | | 2013 |
| | MID705A | Tablet (P) | | 2012 |
| | MIDR700 | Tablet (P) | | 2012 |
| | V2 | Tablet (P) | | 2014 |
| | | | | |
 | Kiano | Blade City II | Tablet (P) | | 2011 |
| | Blade Core II GPS DVBT | Tablet (P) | | 2012 |
| | Blade Pro 10 | Tablet (P) | | 2011 |
| | Core 10.1 Dual 3G | Tablet (P) | | 2012 |
| | Elegance 10.1 | Tablet (P) | | 2014 |
| | Elegance 10.1 3G | Tablet (P) | | 2014 |
| | Elegance 7 | Tablet (P) | | 2013 |
| | Elegance 7 3G | Tablet (P) | | 2013 |
| | Elegance 8 | Tablet (P) | | 2014 |
| | Elegance 8 3G | Tablet (P) | | 2013 |
| | Elegance 9.7 | Tablet (P) | | 2014 |
| | Elegance 9.7 3G | Tablet (P) | | 2014 |
| | Fly 10.1 Dual | Tablet (P) | | 2013 |
| | Fly 10.1 Quad | Tablet (P) | | 2013 |
| | Fly 7 Dual | Tablet (P) | | 2012 |
| | Intelec 10 | Tablet (P) | | 2014 |
| | Intelec 7 | Tablet (P) | | 2014 |
| | Intelec 8 | Tablet (P) | | 2014 |
| | Intelec X1 FHD | Tablet (P) | | 2015 |
| | Intelec X1 HD | Tablet (P) | | 2016 |
| | Intelec X2 HD | Tablet (P) | | 2016 |
| | Intelec X3 HD | Tablet (P) | | 2017 |
| | Intellect 8.9 | Tablet (P) | | 2015 |
| | Kid Pad 7 | Tablet (P) | | 2013 |
| | Pro 10 Dual | Tablet (P) | | 2012 |
| | Pro 7 Dual | Tablet (P) | | 2013 |
| | SlimTab 10 3GR | Tablet (P) | | 2016 |
| | SlimTab 7 3G | Tablet (P) | | 2014 |
| | SlimTab 7 3GR | Tablet (P) | | 2015 |
| | SlimTab 8 3GR | Tablet (P) | | 2016 |
| | SlimTab 8 MS | Tablet (P) | | 2015 |
| | SlimTab 8 MS Pro | Tablet (P) | | 2015 |
| | Young 9 | Tablet (P) | | 2012 |
| | Young II | Tablet (P) | | 2011 |
| | Young Iis | Tablet (P) | | 2011 |
| | Zip Young | Tablet (P) | | 2011 |
| | | | | |
 | Kingzone Communication Co., Ltd. | KingPad 1 | Tablet (P) | | 2013 |
| | | | | |
 | Klipad (div. Kliver France Import) | Klipad | Tablet (P) | | 2000s |
| | | | | |
 | Kocaso, Inc. | 7.9 K-mini | Tablet (P) | | 2013 |
| | GX1400 | Tablet (P) | | 2012 |
| | GX1420 | Tablet (P) | | 2012 |
| | M1050 | Tablet (P) | | 2012 |
| | M1050S | Tablet (P) | | 2012 |
| | M1052S | Tablet (P) | | 2012 |
| | M1060 | Tablet (P) | | 2012 |
| | M1061 | Tablet (P) | | 2012 |
| | M1062 | Tablet (P) | | 2012 |
| | M1069 | Tablet (P) | | 2012 |
| | M1070 | Tablet (P) | | 2012 |
| | M730 | Tablet (P) | | 2011 |
| | M732 | Tablet (P) | | 2011 |
| | M736 | Tablet (P) | | 2013 |
| | M750B | Tablet (P) | | 2012 |
| | M752 | Tablet (P) | | 2011 |
| | M752H | Tablet (P) | | 2012 |
| | M756 | Tablet (P) | | 2013 |
| | M760 | Tablet (P) | | 2012 |
| | M761 | Tablet (P) | | 2012 |
| | M763 | Tablet (P) | | 2012 |
| | M766 | Tablet (P) | | 2012 |
| | M770 | Tablet (P) | | 2013 |
| | M776H | Tablet (P) | | 2013 |
| | M7850 | Tablet (P) | | 2012 |
| | M830 | Tablet (P) | | 2012 |
| | M831 | Tablet (P) | | 2011 |
| | M850 | Tablet (P) | | 2011 |
| | M860 | Tablet (P) | | 2011 |
| | M861 | Tablet (P) | | 2012 |
| | M870 | Tablet (P) | | 2012 |
| | MX1080 | Tablet (P) | | 2012 |
| | MX736 | Tablet (P) | | 2013 |
| | MX770 | Tablet (P) | | 2012 |
| | MX780 | Tablet (P) | | 2012 |
| | MX9200 | Tablet (P) | | 2012 |
| | Nova One | Tablet (P) | | 2012 |
| | SX9700 | Tablet (P) | | 2012 |
| | SX9701 | Tablet (P) | | 2012 |
| | SX9722 | Tablet (P) | | 2012 |
| | | | | |
 | KocSistem Bilgi ve Iletisim Hizmetleri A.S. | TG73 | Tablet (P) | | 2010s |
| | | | | |
 | Kraftway Computers Ltd. | TG74 | Tablet (P) | | 2010s |
| | | | | |
 | Krez Ltd. | TL801W4 | Tablet (P) | | 2013 |
| | TM1003N32 | Tablet (P) | | 2014 |
| | TM1003S8 | Tablet (P) | | 2013 |
| | TM1004B16 | Tablet (P) | | 2015 |
| | TM1004B32 | Tablet (P) | | 2015 |
| | TM1101S32 | Tablet (P) | | 2015 |
| | TM7024B4 | Tablet (P) | | 2014 |
| | TM802B16 | Tablet (P) | | 2014 |
| | | | | |
 | Krüger & Matz | Eagle 1065G | Tablet (P) | | 2014 |
| | Eagle 1066 | Tablet (P) | | 2010s |
| | Eagle 777 | Tablet (P) | | 2014 |
| | Edge 1082 | Tablet (P) | | 2015 |
| | Edge 1084 LTE | Tablet (P) | | 2016 |
| | Edge 1084S | Tablet (P) | | 2016 |
| | Edge 1085 | Tablet (P) | | 2010s |
| | Edge 1085S | Tablet (P) | | 2010s |
| | Edge 1086LTE | Tablet (P) | | 2018 |
| | Edge 1160 | Tablet (P) | | 2015 |
| | Edge 1161 | Tablet (P) | | 2015 |
| | Edge 1162 | Tablet (P) | | 2018 |
| | Edge KM1081 | Tablet (P) | | 2014 |
| | Edge KM1083 | Tablet (P) | | 2015 |
| | Egale 1067 | Tablet (P) | | 2010s |
| | KM0701 Eagle | Tablet (P) | | 2016 |
| | KM0801 Eagle | Tablet (P) | | 2015 |
| | KM0802 Esge | Tablet (P) | | 2016 |
| | KM0804 Eagle | Tablet (P) | | 2016 |
| | KM0805 Eagle | Tablet (P) | | 2016 |
| | KM0860 Eagle | Tablet (P) | | 2016 |
| | KM0975 Eagle | Tablet (P) | | 2015 |
| | KM1060 10.1 | Tablet (P) | | 2013 |
| | KM1064.1 | Tablet (P) | | 2014 |
| | KM1064.1G | Tablet (P) | | 2014 |
| | KM1080G | Tablet (P) | | 2014 |
| | KM794GPS | Tablet (P) | | 2014 |
| | KM972 | Tablet (P) | | 2013 |
| | KM973 | Tablet (P) | | 2013 |
| | KM973 9.7 | Tablet (P) | | 2012 |
| | KM973G 9.7 | Tablet (P) | | 2012 |
| | KM974 | Tablet (P) | | 2014 |
| | Tablet 10.1 | Tablet (P) | | 2012 |
| | Tablet 7 | Tablet (P) | | 2012 |
| | Tablet PC 7 | Tablet (P) | | 2011 |
| | Tablet PC 9.7 | Tablet (P) | | 2012 |
| | | | | |
 | Ks-is | Domox KS-157 | Tablet (P) | | 2010s |
| | Jamx KS-171 | Tablet (P) | | 2010s |
| | Manshet KS-122 | Tablet (P) | | 2010s |
| | Voox KS-163 | Tablet (P) | | 2010s |
| | Wooji KS-123 | Tablet (P) | | 2010s |
| | | | | |
 | Kupa | UltraNote X15 Elite | Tablet (P) | | 2013 |
| | UltraNote X15 Lux | Tablet (P) | | 2013 |
| | UltraNote X15 Pro | Tablet (P) | | 2013 |
| | UltraNote X15 ultra | Tablet (P) | | 2013 |
| | V10 | Tablet (P) | | 2014 |
| | V10 3G | Tablet (P) | | 2014 |
| | V10 4G | Tablet (P) | | 2014 |
| | | | | |
 | Kurio (div. Kidz Delight (KD)) | 7 | Tablet (P) | | 2012 |
| | 7S | Tablet (P) | | 2013 |
| | 10 | Tablet (P) | | 2012 |
| | 10S | Tablet (P) | | 2013 |
| | Smart | Tablet (P) | | 2015 |
| | Xtreme 2 | Tablet (P) | | 2015 |
| | | | | |
 | Kyocera Corp. | Qua Tab QZ10 | Tablet (P) | | 2018 |
| | Qua Tab QZ8 | Tablet (P) | | 2018 |
| | | | | |
 | K2 Systèmes | ELF | Terminal | VTX | 1984 |
| | | | | |
 | Keane Associates | System/4 | Terminal | | 1973< |
| | | | | |
 | Keronix, Inc. | K-4000 | Terminal | | 1977< |
| | | | | |
 | Keydata Corp. | Keynote KD250 | Terminal | | 1984 |
| | Keynote KD500G | Terminal | | 1984 |
| | | | | |
 | Kienzle Apparate GmbH | 3700 | Terminal | | 1978< |
| | 9010 | Terminal | | 1981< |
| | 9027 | Terminal | | 1979 |
| | Terminalsystem 3000 | Terminal | | 1971 |
| | | | | |
 | Kimtron Corp. | ABM-83 | Terminal | | 1983 |
| | ABM-85 | Terminal | | 1981 |
| | ABM-85H | Terminal | | 1983 |
| | ABM-86 | Terminal | | 1982 |
| | KGT-100 | Terminal | | 1983 |
| | KT-22 | Terminal | | 1986 |
| | KT-22/PC | Terminal | | 1987 |
| | KT-220 | Terminal | | 1987 |
| | KT-220/ADVANCED | Terminal | | 1987 |
| | KT-220/PC | Terminal | | 1987 |
| | KT-5 | Terminal | | 1986< |
| | KT-50 | Terminal | | 1987 |
| | KT-7 | Terminal | | 1984 |
| | KT-7/PC | Terminal | | 1986 |
| | KT-70 | Terminal | | 1987 |
| | KT-70/PC | Terminal | | 1987 |
| | KT-7S | Terminal | | 1986 |
| | | | | |
 | Kiyevskim Radiozavodom TVT-3 | Parus | Terminal | | 1980s |
| | | | | |
 | Kokusai Electric Co., Ltd. | KDS 7362 | Terminal | | 1983 |
| | SSX16 | Terminal | X-Terminal | 1993< |
| | SSX17C | Terminal | X-Terminal | 1993< |
| | SSX17CH | Terminal | X-Terminal | 1993< |
| | SSX19 | Terminal | X-Terminal | 1993< |
| | | | | |
 | Kontron Microcomputer GmbH | Regent 100 | Terminal | | 1977< |
| | Regent 200 | Terminal | | 1977< |
| | | | | |
 | Korea Data Systems Co. (KDS) | K-220 | Terminal | | 1985 |
| | K-300 | Terminal | | 1985 |
| | K-301 | Terminal | | 1985 |
| | K-401 | Terminal | | 1985 |
| | | | | |
 | Korea Mesurement Instruments Corp. (Kotronix) | ? | Terminal | | 1978 |
| | | | | |
 | Korea Telecommunication Industry Co., Ltd. | SL-1 | Terminal | | 1983 |
| | | | | |
 | KSW Controls, Inc. | Series 600 | Terminal | Teleprinter | 1970< |
| | | | | |
 | Kurzweil Applied Intelligence, Inc. (KAI) | KVT | Terminal | | 1980s |
| | | | | |
 | Kustom Data Communications, Inc. | MCT-10 | Terminal | | 1972 |
| | | | | |
 | Kyber Calcolatori | Terminale | Terminal | | 1983< |
| | | | | |
 | King Jim Co., Ltd. | DM-100 (aka Pomera) | Word processor (P) | | 2008 |
| | | | | |
 | Konix Products Ltd. | System 80 | Word processor | | 1979 |
| | System 81 | Word processor | | 1979 |
| | | | | |
 | Kontakta Alkatrészgyár | KODEX-2000 | Word processor | | 1986< |
| | | | | |
 | Key Computer Laboratories, Inc. | ? | Workstation | | 1980s |
| | | | | |
 | Kienzle Apparate GmbH | 9022 | Workstation | | 1982 |
| | | | | |
 | KIT Computer Consulting | ? | Workstation | SPARC clone | 1990s |
| | | | | |
 | Kontron Microcomputer GmbH | KWS | Workstation | | 1983 |
| | | | | |
 | Kowin Computer Corp. | Office Three | Workstation | | 1986 |
| | Office Two | Workstation | | 1986 |
| | Office Two Plus | Workstation | | 1987~ |