| Acronym | Definition |
|---|
| NATI➣North American Training Institute (problem gambling services; Duluth, MN) |
| NATI➣National Association of Teen Institutes |
| NATI➣Newfoundland Association of Technical Industries |
| NATI➣Nuova Associazione Talassemici Italiani (Italian: New Italian Thalassemia Association; est. 1992) |
| NATI➣North America Tourism Inc. (Canada) |
| NATI➣Netherlands Academy of Technology and Innovation |