MSTO
| Acronym | Definition |
|---|---|
| MSTO | Main Sequence Turn Off |
| MSTO | Mesothelioma |
| MSTO | Main Sequence Turn-Off |
| MSTO | Maritime Systems Technology Office (DARPA) |
| MSTO | Member of Sports Therapy Organisation |
| MSTO | Multi-Stage-to-Orbit (aviation) |
| MSTO | Mark Spisic Tamburitza Orchestra (Croatia) |