| 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 |