Tsiolkovsky () may refer to:
Konstantin Tsiolkovsky (1857–1935), Russian and Soviet rocket scientist Tsiolkovsky, Amur Oblast (formerly Uglegorsk), Russian town named for Tsiolkovsky Tsiolkovsky State Museum of the History of Cosmonautics in Kaluga; named for Tsiolkovsky Tsiolkovsky rocket equation, named for Tsiolkovsky Tsiolkovsky tower, spacelaunch concept developed by Tsiolkovsky Tsiolkovsky mission, Soviet space program named for Tsiolkovsky Tsiolkovskiy Island, Antarctic island named for Tsiolkovsky Tsiolkovskiy (crater), Moon crater named for Tsiolkovsky 1590 Tsiolkovskaja, asteroid named for Tsiolkovsky
See also Ziółkowski (surname), Tsiolkovsky's Polish ancestry