KPNO
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| KPNO | Kitt Peak National Observatory | - | Atmospheric Research Center |
| KPNO | Kitt Peak National Observatory | - | Computer Acronyms(common) |
| KPNO | Kitt Peak National Observatory | - | Astronomy |
| KPNO | Kitt Peak National Observatory Arizona | - | Business and Finance |