| Acronym | Definition |
|---|
| NFAI | National Film Archive of India |
| NFAI | National Folklore Archives Initiative (American Folklore Society) |
| NFAI | Norsk forening for allergologi og immunpatologi (Norway) |
| NFAI | National Film Archive of Iran |
| NFAI | no-fault auto insurance |
| NFAI | Northwest Federation of American Indians |
| NFAI | New Flyer of America Inc. |
| NFAI | New-Fangled Artificial Intelligence |
| NFAI | Northstar Financial Advisors, Inc. |
| NFAI | Nebraska Fertilizer & Ag-Chemical Institute |
| NFAI | noeud fibreux antéro-interne |
| NFAI | Net Fixed Asset Investment |
| NFAI | National Food Animal Identification |
| NFAI | National Fine Arts Institute (Mexico) |
| NFAI | Nerve Fiber Analyzer I |