Mk22 may refer to:
Military
[edit]- 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
[edit]M.K. 22 an Israeli animated sitcom