M11

M11 or M-11 may be:

Aviation

• Miles M.11 Whitney Straight, a 1936 two-seater light aircraft
• Shvetsov M-11, an aircraft engine produced in the Soviet Union

Science

• Messier 11 (M11), an open star cluster also known as the Wild Duck Cluster
• M₁₁, one of the five Mathieu groups in the mathematical field of group theory

Transportation

• M-11 (Michigan highway), a state highway in the metropolitan area of Grand Rapids, Michigan
• M11 motorway, a motorway in England
• M11 highway (Russia), a section of the European route E20 that links Saint Petersburg, Russia with the Estonian border city of Tartu
• M11 motorway, part of the N11 road (Ireland)

Firearms and military equipment

• M11, a United States military designation for the Sig P228 semi-automatic pistol
• The Ingram MAC-11, a full-automatic machine pistol
• M-11 Shtorm, a 1959 Russian naval surface-to-air missile system
• Fiat M11/39, an Italian medium tank used during World War II
• Grigorovich M-11, a 1916 Russian single-seat fighter flying boat
• M11, United States Navy Mk 11 Mod 0 Sniper Weapon System based on the Stoner Rifle SR-25
• Remington 11-87, a semi-automatic shotgun

History

• M11, an abbreviation used to refer to the 11 March 2004 Madrid train bombings

Comic books

• M-11 (comics), a fictional robot in Atlas Comics and Marvel Comics

Games

• Magic 2011, the twelfth core set in Magic: The Gathering