| Acronym | Definition |
|---|
| IRNA➣Islamic Republic News Agency |
| IRNA➣Iranian News Agency |
| IRNA➣Israel Resource News Agency |
| IRNA➣Irish Retail Newsagents Association (now Convenience Stores & Newsagents Association; est. 1926; Ireland) |
| IRNA➣Irish Research Nurses Association (est. 2003; Ireland) |