OSO
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| OSO | Ocean SYstems Operation | - | Organizations |
| OSO | Orbiting Solar Observatory | - | Scuba Diving |
| OSO | Orbiting Solar Observatory | - | Business and Finance |
| OSO | Office Of Systems Operations | - | Business and Finance |
| OSO | Office Of Space Operations | - | Business and Finance |