Kosmos 105 (Russian: Космос 105 meaning Cosmos 105) or Zenit-2 No.38 was a Soviet optical film-return reconnaissance satellite launched in 1966. A Zenit-2 spacecraft, Kosmos 105 was the thirty-fourth of eighty-one such satellites to be launched and had a mass of 4,730.0 kilograms (10,427.9 lb).
Kosmos 105 was operated in a low Earth orbit; at an epoch of 23 January 1966 it had a perigee of 204 kilometres (127 mi), an apogee of 310 kilometres (190 mi) inclination of 65 degrees and an orbital period of 89.64 minutes. On 30 January 1966, after eight days in orbit, the satellite was deorbited with its return capsule descending by parachute for recovery.
Payloads are separated by bullets ( · ), launches by pipes ( | ). Manned flights are indicated in bold text. Uncatalogued launch failures are listed in italics. Payloads deployed from other spacecraft are denoted in brackets.