M98 or M-98 may refer to: M98 (New York City bus), a New York City Bus route in Manhattan Barrett M98, a Bolt-action sniper rifle Gewehr 98, a German bolt-action rifle Messier 98, an intermediate spiral galaxy about 60 million light-years away in the constellation Coma Berenices M-98 (Michigan highway), a former state highway in Michigan nl:M98