| Acronym | Definition | 
|---|
| MSMO➣Multi-Ship Multi-Option | 
| MSMO➣Main Street Mall Online | 
| MSMO➣Multi-Service Market Office (US DoD healthcare) | 
| MSMO➣Modeling and Simulation Management Office (USMC) | 
| MSMO➣Mobile Station Modem (PacketVideo) | 
| MSMO➣Military Support to the Mounting of Operations (UK) | 
| MSMO➣Master of Science, Manufacturing Operations (degree program) | 
| MSMO➣Miss School Miss Out (incentive program; US and Canada) | 
| MSMO➣Murashige & Skoog Medium with Minimal Organics |