NACI
| Acronym | Definition |
|---|---|
| NACI | National Advisory Committee on Immunization (Canada) |
| NACI | National Advisory Council on Innovation (South Africa) |
| NACI | National Agency Check with Inquiries |
| NACI | National Asthma Control Initiative (US DHHS) |
| NACI | North Albion Collegiate Institute (Rexdale, Canada high school) |
| NACI | North American Collectors, Inc (Encino, CA collection agency) |
| NACI | New Apostles Church International |
| NACI | Naval Avionics Center, Indianapolis |