| MOSC | Maintenance of Specialist Certification
| Others |
| MOSC | Malankara Orthodox Syrian Church
| Others |
| MOSC | Malaysia Open Source Conference
| Others |
| MOSC | Male Oyster Stew Club
| Others |
| MOSC | Management Of Serious Crime
| Others |
| MOSC | Market Operations Standing Committee
| Others |
| MOSC | Mayor's Office for Senior Citizens
| Others |
| MOSC | Mayors Office for Senior Citizens
| Others |
| MOSC | Medical Office Service Coordinator
| Others |
| MOSC | Meeting Of Seoul Community
| Others |
| MOSC | Metal Oxide Space Cloud
| Others |
| MOSC | Meteorological and Oceanographic Operations Support Community
| Others |
| MOSC | Microsoft Office Specialist Certification
| Others |
| MOSC | Mid Ohio Sportscar Challenge
| Others |
| MOSC | Midland-Odessa Symphony & Chorale
| Others |
| MOSC | Military Occupational Specialty Code
| Others |
| MOSC | Mint on Sealed Card
| Others |
| MOSC | Model Organisms Screening Center
| Others |
| MOSC | Modified Original Smart Card
| Others |
| MOSC | Mount Olive Soccer Club
| Others |
| MOSC | Muslim organisation Sunshine Coast
| Others |
| MOSC | My Oracle Support Community
| Others |