| Acronym | Definition |
|---|
| NIIF➣Normas Internacionales de Información Financiera (Spanish) |
| NIIF➣Network Interoperability Interconnection Forum |
| NIIF➣Network Interconnection Interoperability Forum (ATIS) |
| NIIF➣National Industry Issues Forum (collision repair) |
| NIIF➣Network Interworking Industry Forum (Australia) |