Progress 34 (Russian: Прогресс 34) was a Soviet uncrewed Progress cargo spacecraft, which was launched in January 1988 to resupply the Mir space station.

Progress 34 launched on 20 January 1988 from the Baikonur Cosmodrome in the Kazakh SSR.

[2][4] Progress 34 docked with the aft port of the Kvant-1 module of Mir on 23 January 1988 at 00:09:09 UTC, and was undocked on 4 March 1988 at 03:40:09 UTC.

[3][5] It remained in orbit until 4 March 1988, when it was deorbited.

[3][5] This article about one or more spacecraft of the Soviet Union is a stub.