AT-11 may refer to:
*
AT-11 Sniper
The 9K120 ''Svir'', 9K119 ''Refleks'', 9K119M ''Refleks-M'' (NATO reporting name AT-11 ''Sniper'') are laser beam riding, guided anti-tank missile systems developed in the Soviet Union. Both are designed to be fired from smoothbore 125 mm ta ...
, a guided antitank missile
*
AT-11 Kansan, a World War II training aircraft
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