Kosmos 24 (Russian: Космос 24 meaning Cosmos 24) or Zenit-2 No.15 was a Soviet optical film-return reconnaissance satellite.

A Zenit-2 satellite, Kosmos 24 was the fifteenth of eighty-one such spacecraft to be launched[3][4] and had a mass of 4,730 kilograms (10,430 lb).

The launch took place at 09:28:58 UTC on 19 December 1963, from Site 1/5 at the Baikonur Cosmodrome.

[7] Having spent nine days in orbit, the spacecraft was deorbited on 28 December 1963.

Its return capsule descended under parachute for recovery by Soviet forces.