thumb|Messier 84 nucleus by Hubble Space Telescope M84 or M-84 may refer to:
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thumb|Messier 84 nucleus by Hubble Space Telescope M84 or M-84 may refer to: Messier 84, a galaxy in the Virgo Cluster M-84, a Yugoslav main battle tank M84 machine gun, Yugoslavia M84 camouflage pattern, used by the Danish Army M84 stun grenade, a non-lethal grenade 152 mm field gun-howitzer M84 NORA-A, Yugoslavia M-84 (Michigan highway), a US state highway M84 mortar carrier, a modified armored personnel carrier
nl:M84