| Acronym | Definition |
|---|
| MOSC | My Oracle Support Community (software) |
| MOSC | Metal Oxide Semiconductor Capacitor |
| MOSC | Midland-Odessa Symphony & Chorale (est. 1962) |
| MOSC | Malankara Orthodox Syrian Church (Raleigh, North Carolina) |
| MOSC | Mayor's Office for Senior Citizens (Seattle, Washington) |
| MOSC | Mint on Sealed Card (collecting) |
| MOSC | Military Occupational Specialty Code |
| MOSC | Metal-Oxide Semiconductor Capacitor |
| MOSC | Modified Original SmartCard |
| MOSC | Militia Officer Staff Course (Canadian Army) |
| MOSC | Misr Oils and Soap (stock symbol) |
| MOSC | Medical Office Service Coordinator |
| MOSC | Maximum-Output Selection Combining |
| MOSC | Manpower Optimization Steering Committee |
| MOSC | Massive Offshore Surf Zone |
| MOSC | Mysticism Of Sound Conference |
| MOSC | Maritime Operational Support Capability (Australian DoD) |
| MOSC | Midlands Offstage Skills Consortium |