Kosmos 107 (Russian: Космос 107 meaning Cosmos 107) or Zenit-2 No.34 was a Soviet optical film-return reconnaissance satellite launched in 1966. A Zenit-2 spacecraft, Kosmos 107 was the thirty-fifth of eighty-one such satellites to be launched and had a mass of 4,730.0 kilograms (10,427.9 lb).
Kosmos 107 was operated in a low Earth orbit; at an epoch of 12 February 1966 it had a perigee of 204 kilometres (127 mi), an apogee of 306 kilometres (190 mi) inclination of 64.9 degrees and an orbital period of 89.61 minutes. After eight days in orbit, Kosmos 107 was deorbited, with its return capsule descending under parachute and landing at 06:29 UTC on 18 February 1966.
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.