NSO
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| NSO | National Solar Observatory | - | Atmospheric Research Center |
| NSO | Natural Spin Orbitals | - | Computer Acronyms(common) |
| NSO | NASA Support Operation | - | Organizations |
| NSO | National Standardization Office (ABCA) | - | Astronomy |
| NSO | National Solar Observatory | - | Business and Finance |