M47
# M47

M47 or M-47 may refer to:

* M47 bomb, an American chemical/incendiary weapon
* 47th known Mersenne prime
* M47 Dragon, an American anti-tank missile system
* M-47 (Michigan highway), a state highway in Michigan
* M47 (Cape Town), a Metropolitan Route in Cape Town, South Africa
* M47 (Johannesburg), a Metropolitan Route in Johannesburg, South Africa
* M47 Patton, an American main battle tank
* BMW M47, diesel engine (1998–2007)
* Messier 47, an open star cluster in the constellation Puppis
* Madsen M47, a Danish rifle
