NAAI
| Acronym | Definition |
|---|---|
| NAAI | National Abilympic Association of India (est. 2001) |
| NAAI | National Agency for Attracting Investment (Moldova) |
| NAAI | North American Associated Inspectors (building inspections) |
| NAAI | Nigerian Achievers Awards Institute (UK) |
| NAAI | Non-Analog Antifolate Inhibitors (pharmacology) |