M83 or M-83 may refer to:

Astronomy

* Messier 83, a spiral galaxy in the constellation Hydra ** M83 Group, a group of galaxies centered around Messier 83

Military

* M-83, a Soviet M-class submarine * M83

smoke grenade Smoke grenades used at demonstrations in Paris, 2008 upBritish L83A1 Smoke Grenade manufactured in May 2008. This grenade has already been used. A smoke grenade is a canister-type grenade used as a signaling device, target or landing zone mark ...

* M83 submunition, a US copy of the German Butterfly Bomb of World War II; used in the M29 cluster bomb

Music

* M83 (band), an electronic band named after the galaxy of the same name ** ''M83'' (album), the debut album of the M83 music group

Roads and routes

* M-83 (Michigan highway), a state highway in Michigan {{Letter-NumberCombDisambig