IUCN
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| IUCN | International Union For Conservation Of Nature And Natural Resources | - | Computer Acronyms(common) |
| IUCN | IUCN The World Conservation Union | - | Satellite Meterology |
| IUCN | International Union For The Conservation Of Nature And Natural Resources (World Conservation Union) | - | Astronomy |