M class or M-class may refer to:

Military

  • M-class blimp, an American WW2 class of anti-submarine warfare airships
  • M-class cruiser, a planned German light cruiser class
  • M-class destroyer, several classes of destroyer
  • Admiralty M-class destroyer, a class of British destroyers built 1913–1916 and served in World War I
  • M-class, British destroyers starting with the letter M of the L and M-class destroyer, launched 1939–1942 and served in World War II
  • Marcílio Dias-class destroyer, Brazilian destroyers built during World War II
  • Karel Doorman-class frigate, of the Royal Netherlands Navy
  • M-class minesweeper, several classes of minesweeper
  • M-class minesweeper (Germany), a class of minesweepers of the World War II German Kriegsmarine
  • M-class minesweeper (Netherlands), a class of minesweepers of the Royal Netherlands Navy built after World War I
  • Abercrombie-class monitor, a British WWI class of monitor gunships
  • M-class submarine, several classes of submarine
  • British M-class submarine
  • United States M-class submarine

Transportation

  • Mercedes-Benz M-Class, an automobile
  • M-segment, a European vehicle size class
  • NZR M class locomotives
  • Pennsylvania Railroad class M1, locomotives
  • Victorian Railways M class, steam locomotives
  • Victorian Railways M class (diesel-hydraulic), shunting locomotives
  • OOCL M-class container ship, a class of large container ships operated by Orient Overseas Container Line
  • Maersk M-class container ship, a class of large container ships operated by Maersk Line
  • M-class Melbourne tram
  • M-class Sydney tram

Astronomy

  • M class, a stellar classification
  • M class, a class of solar flare

See also

  • Class M (disambiguation)
  • M type (disambiguation)