| Acronym | Definition |
|---|
| MSOC | MicroSoft Office Communicator |
| MSOC | Microsoft Office Compatible |
| MSOC | Marine Special Operations Company |
| MSOC | Marine Security Operations Centre |
| MSOC | Mission Support Operations Contract (NASA Mission Control contract held by Lockheed Martin) |
| MSOC | Main Street Oakland County |
| MSOC | Mobile Sealift Operations Center (US Navy) |
| MSOC | MKIV Supra Owners Club (UK Toyota Supra owners) |
| MSOC | Misawa Security Operations Center (Japan) |
| MSOC | Medical Support Operations Center |
| MSOC | Maritime Staff Operators Course (United States Navy War College, Newport, RI) |
| MSOC | Milstar Satellite Operations Center |
| MSOC | Manchester Symphony Orchestra and Choral (Manchester, CT) |
| MSOC | Managed Services Operations Center |
| MSOC | MILSTAR System Operational Concept |
| MSOC | Middlesex Subaru Owners Club (car club; UK) |
| MSOC | Management System and Operating Control (management method; BellSouth; est. 2004) |
| MSOC | Modeling and Simulation Officer's Course |
| MSOC | Metropolitan Sector Operations Centre (UK Royal Air Force) |