| MSK | Mad Society Kings 
| Others |
| MSK | Main Street Killers
| Others |
| MSK | Majora Skull Kid
| Others |
| MSK | Malding Stupid Kid
| Others |
| MSK | Mannschaftskabine
| Others |
| MSK | Manual Select Keyboard
| Others |
| MSK | Marketing Society of Kenya
| Others |
| MSK | Martin Schneider and Kajeski
| Others |
| MSK | Master Session Key
| Others |
| MSK | Mcafee Safe Key
| Others |
| MSK | Medco Sarana Kalibaru
| Others |
| MSK | Medullary Sponge Kidney
| Others |
| MSK | Mega-Statute Kilometers
| Others |
| MSK | Membrane Society of Korea
| Others |
| MSK | Memorial Sloan Kettering
| Others |
| MSK | Memorial Sloan-Kettering
| Others |
| MSK | Memorial Sloan-Kettering Cancer Center
| Others |
| MSK | Merlin's Stern Kids
| Others |
| MSK | Microbiological Society of Korea
| Others |
| MSK | Middle School of the Kennebunks
| Others |
| MSK | Minimum Shift Keying
| Others |
| MSK | Minor Service Kit
| Others |
| MSK | Mission Support Kit
| Others |
| MSK | Mitchell Silberberg Knupp
| Others |
| MSK | Modulation Shift Keying
| Others |
| MSK | Mortenson Safar Kim
| Others |
| MSK | Moscow Time
| Others |
| MSK | Motorlu Sporlar Kulubu
| Others |
| MSK | Mu Sigma Kappa
| Others |
| MSK | Musculo-SKeletal
| Others |
| MSK | musculoskeletal medicine
| Others |
| MSK | Musculoskeletal Service
| Others |
| MSK | Mutt Skate Krew
| Others |