LMSO
| Acronym | Definition |
|---|---|
| LMSO | Lake Murray Symphony Orchestra (South Carolina) |
| LMSO | Laughing My Socks Off |
| LMSO | Lockheed Martin Space Operations |
| LMSO | London Mozart Symphony Orchestra (UK) |
| LMSO | Landelijk Medisch Studenten Overleg (Dutch: Rural Medical Student Discussion) |
| LMSO | Lockheed Martin Stennis Operations |