| Acronym | Definition |
|---|
| INIS➣Initializations |
| INIS➣Irish Naturalisation and Immigration Service (Ireland) |
| INIS➣International Nuclear Information System (International Atomic Energy Agency) |
| INIS➣Iraqi National Intelligence Service (est. 2004; Iraq) |
| INIS➣International Network of Innovative School Systems (various locations) |
| INIS➣International Neonatal Immunotherapy Study |
| INIS➣Internationale Netzwerk Innovativer Schulsysteme (German: International Network of Innovative School Systems) |