M37

M37 or M-37 may refer to:


 * M-37 (Michigan highway), a state highway in Michigan
 * M37 (Johannesburg), a Metropolitan Route in Johannesburg, South Africa
 * M37 (Pretoria), a Metropolitan Route in Pretoria, South Africa
 * M37 (Durban), a Metropolitan Route in Durban, South Africa
 * M37 highway, a highway in Turkmenistan
 * Dodge M37, a military truck
 * Ithaca M37, an American shotgun
 * Messier 37, a star cluster
 * 82-BM-37, an infantry mortar
 * Infiniti M37, a Japanese luxury car
 * M37 machine gun. Cal. .30 Browning adapted for tank use. M1919 Browning machine gun
 * M37 105 mm Howitzer Motor Carriage, Developed from M24 Chaffee to replace the M7
 * Ruleville-Drew Airport
 * Smith & Wesson Model 37, a model sold and used by Japanese police departments.