M43

M43 may refer to:

M43 BZ cluster bomb
M43 field cap, a piece of German headgear
M-43 (Michigan highway), a state highway in Michigan
M43 (Johannesburg), a Metropolitan Route in Johannesburg, South Africa
M43 (Pretoria), a Metropolitan Route in Pretoria, South Africa
M43 (Durban), a Metropolitan Route near Durban, South Africa
M43 mortar, a Soviet weapon
M43 Howitzer Motor Carriage, an American self-propelled artillery vehicle
M43 motorway (Hungary), a Hungarian Motorway
BMW M43, a 1991 automobile piston engine
Dodge M43, the ambulance variant of the Dodge M37
Messier 43, a nebula near the Orion Nebula
M43, the original designation for the 7.62×39mm Soviet carbine and rifle round
the 43rd Mersenne prime
Micro Four Thirds system lens mount standard for mirrorless interchangeable lens digital cameras
Model 43 grenade, a German hand grenade introduced during World War II
M43 Postcode in Greater Manchester