M93 or M-93 may refer to:Messier 93, an open star cluster in the constellation Puppis Beretta M93R, a selective-fire machine pistol made by the Beretta company Zastava M93 Black Arrow, a 12.7 mm Anti-materiel rifle M93 Fox, a Chemical, Biological, Radiological and Nuclear reconnaissance vehicle M-93, a state highway in Michigan M93 HORNET mine, an American anti tank mine Mannlicher M93, a Romanian service rifle Salvator-Dormus M93, early Austro-Hungarian heavy machine gun Swiss Mannlicher M93, a Swiss service rifle