NAO
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| NAO | National Audit Office | - | Chatting Acronyms |
| NAO | Natural Atomic Orbital | - | Computer Acronyms(common) |
| NAO | UK National Audit Office | - | Astronomy |
| NAO | North American Oscillation | - | Business and Finance |
| NAO | North Atlantic Oscillation | - | Business and Finance |
| NAO | North Atlantic Ocean | - | Business and Finance |