Mir 1

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-1B lenses for M39 or M42 lens mount