Mir 1 may refer to:

Mir, Soviet space station, first in the Mir series of stations, only completed station in the series Mir EO-1, Mir Principle Expedition 1 Mir EP-1, Mir Visiting Expedition 1 Mir-1 (sub) Russian DSV submarine mir-1 microRNA precursor family Mir-1, stream cipher algorithm Mir (lenses), including Mir-1 and Mir-1V/Mir-1B lenses for M39 or M42 lens mount

See also Mir (disambiguation)