'''M2''' may refer to:
[[File:Benelli M2 Compact 20.jpg|thumb|right|Benelli M2 Compact 20]]
[[File:Benelli M2 Super 90 3-Gun.jpg|thumb|right|Benelli M2 Super 90 3-Gun]]
[[File:General Motors M2 Carbine.jpg|thumb|right|General Motors M2 Carbine]]
[[File:M2-2 flamethrower.jpg|thumb|right|M2-2 flamethrower]]
* The [[Benelli M2 Compact 20]], a [[20 gauge]] shotgun.
* The [[Benelli M2 Super 90 3-Gun]], a [[12 gauge]] shotgun.
* The [[General Motors M2 Carbine]], a [[.30 Carbine]] combat rifle.