| Acronym | Definition |
|---|
| INAC➣Indian and Northern Affairs Canada (government) |
| INAC➣Interconnection Network Access Coordinator |
| INAC➣Instituto Nacional de Carnes (Spanish: National Meat Institute, Uruguay) |
| INAC➣Instituto Nacional de Acción Cooperativa (Spanish: National Institute of Cooperative Action; Argentina) |
| INAC➣Instituto Nacional de Aviação Civil (Portugal) |
| INAC➣Instituto Nacional de Aviación Civil (Spanish) |
| INAC➣Isuzu North America Corporation (Anaheim, CA) |
| INAC➣Interplanetary Ninja Assassin Claptrap (gaming) |
| INAC➣International Nuclear Atlantic Conference |
| INAC➣Institute for Nanoelectronics and Computing (Indiana) |
| INAC➣Institut Nanosciences et Cryogénie (French: Institute for Nanoscience and Cryogenics) |