Mk22

Mk22 may refer to:

Military

 * Barrett MRAD adopted as the Mk 22 Advanced Sniper Rifle by the U.S. military
 * Mark 22 nuclear bomb, United States thermonuclear test
 * Mark 22 torpedo, United States prototype torpedo
 * Smith & Wesson Model 39 pistol formerly used by the United States Naval Special Warfare Command as the Mk 22 Mod 0

Other uses
M.K. 22 an Israeli animated sitcom