M44

M44 or M-44 may refer to:

• M44 (cyanide device), a device used to poison predators
• M44 generator cluster, an American chemical cluster bomb
• BMW M44, a 1996 automobile piston engine
• IBM M44/44X, an experimental IBM mainframe from the 1960s
• Messier 44 (M44), an open star cluster also called the Beehive Cluster
• the 44th known Mersenne prime
• Mosin-Nagant M44 Carbine, a Russian bolt-action rifle

roads 

• M-44 (Michigan highway), a state highway in Michigan
• M44 motorway (Hungary)