| Acronym | Definition |
|---|
| NIOF➣Nuclear is Our Future |
| NIOF➣National Institute of Oceanography and Fisheries |
| NIOF➣Neutron Interferometry and Optics Facility |
| NIOF➣Night in Old Fredericksburg (festival; Texas) |
| NIOF➣Non-Initiation-of-Force |
| NIOF➣National Institute of Organic Farming (est. 2003; India) |