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
  • M57 mortar, Yugoslavian 60mm Mortar

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)