M57

M57 or M-57 may refer to:

Transport

 * M-57 (Michigan highway), a state highway in Michigan
 * M57 motorway, a motorway in England
 * M57 (Cape Town), a Metropolitan Route in Cape Town, South Africa
 * M57 (Johannesburg), a Metropolitan Route in Johannesburg, South Africa
 * M57, a New York City Bus route in Manhattan

Weapons

 * M57, variant of the MGM-140 ATACMS missile
 * Halcón ML-57, an Argentine submachine gun
 * TT pistol (Yugoslavian m57), a Yugoslavian-produced TT-33 pistol model, with an added safety
 * Zastava M57, pistol

Other

 * BMW M57, a 1998 diesel automobile engine
 * Miles M.57 Aerovan, a 1945 British short-range, low-cost transport
 * Messier 57 (M57), a planetary nebula also known as the Ring Nebula
 * Rangeley Lake Seaplane Base (FAA LID: M57)