Kosmos 136 (Russian: Космос 136 meaning Cosmos 136) or Zenit-2 No.47 was a Soviet optical film-return reconnaissance satellite launched in 1966. A Zenit-2 spacecraft, Kosmos 136 was the forty-fourth of eighty-one such satellites to be launched and had a mass of 4,730.0 kilograms (10,427.9 lb). In addition to its reconnaissance mission, the satellite was also used for scientific research.
Kosmos 136 was operated in a low Earth orbit; at an epoch of 22 December 1966 it had a perigee of 193 kilometres (120 mi), an apogee of 285 kilometres (177 mi) inclination of 64.5 degrees and an orbital period of 89.28 minutes. After eight days in orbit, Kosmos 136 was deorbited, with its return capsule descending under parachute and landing at 06:00 UTC on 27 December 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.