Pyotr Ilyich Klimuk (Belarusian: Пётр Ільіч Кліму́к; Russian: Пётр Ильич Климу́к; born 10 July 1942) is a former Soviet cosmonaut and the first Belarusian to perform space travel. Klimuk made three flights into space.
Klimuk attended the Leninski Komsomol Chernigov High Aviation School and entered the Soviet Air Force in 1964. The following year, he was selected to join the space programme.
His first flight was a long test flight on Soyuz 13 in 1973. This was followed by a mission to the Salyut 4 space station on Soyuz 18 in 1975.
From 1976 he became involved in the Intercosmos and made his third and final spaceflight on an Intercosmos flight with Polish cosmonaut Mirosław Hermaszewski on Soyuz 30.