MSK
MSK may refer to the following:
- Common abbreviation for Human musculoskeletal system
 - Marinestosstruppkompanie, German naval assault troops
 - Postal code for Marsaskala, Malta
 - Station code for Marske railway station, England
 - Medullary sponge kidney
 - Medvedev–Sponheuer–Karnik scale, a macroseismic intensity scale
 - Memorial Sloan Kettering Cancer Center
 - Minimum-shift keying radio modulation
 - Mohammad Sidique Khan, a perpetrator of the July 2005 London bombings
 - Moscow
 - Moscow Time
 - MSK (professional wrestling), a professional wrestling tag team
 - Museum of Fine Arts, Ghent (Dutch: Museum voor Schone Kunsten), Belgium
 - Premier Sports, UK TV channel, formerly MSK