Progress 33 () was a Soviet uncrewed Progress cargo spacecraft, which was launched in November 1987 to resupply the Mir space station.
Progress 33 launched on 20 November 1987 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U2 rocket.
Progress 33 docked with the aft port of the Kvant-1 module of Mir on 23 November 1987 at 01:39:13 UTC, and was undocked on 19 December 1987 at 08:15:46 UTC.
It remained in orbit until 19 December 1987, when it was deorbited. The deorbit burn occurred at 12:56:00 UTC and the mission ended at 13:37 UTC.