M84

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