| Abbreviation | Definition |
|---|---|
| MSF | Mary Shelleys Frankenstein |
| MSG | Madison Square Garden |
| MSG | My Summer Girl |
| MSK | Merlin's Stern Kids |
| MSK | Mutt Skate Krew |
| MSM | Main Stream Media |
| MSMG | make sense media group |
| MSN | MicroSoft Network |
| MSNBC | Main Stream News By Corporations |
| MSNBC | MicroSoft / National Broadcasting Company Cable Network |
| MSNBC | MicroSoft National Broadcasting Company |
| MSNBC | Most Solid News BroadCaster |
| MSO | Modified Standard Orthography |
| MSP | ManuScript Page |
| MSPR | Merit Systems Protection Reporter |
| MSS | Music Setting Service |
| MSS | My September Story |
| MST | Maximum Service Telecaster |
| MST | MidSummer Time |
| MST | Mountain Standard Time |