| Acronym | Definition |
|---|
| NTAC➣NIEM (National Information Exchange Model) Technical Architecture Committee |
| NTAC➣National Technical Assistance Center |
| NTAC➣National Transgender Advocacy Coalition |
| NTAC➣National Threat Assessment Center (United States Secret Service) |
| NTAC➣National Technical Advisory Committee |
| NTAC➣Never Trust a Cop |
| NTAC➣Neighborhood Technical Assistance Center |
| NTAC➣North Texas Airstream Community |
| NTAC➣No Talent Ass Clown (from the movie: Office Space) |
| NTAC➣New Town Alano Club (Chicago, IL) |
| NTAC➣North Toronto Aquatic Club (Canada) |
| NTAC➣Northeast Tactical Airsoft Club (UK) |
| NTAC➣National Tax Assistance Corp. |
| NTAC➣Natural Therapies Accreditation Commission (Las Vegas, NV) |
| NTAC➣Northwest Territories Automobile Council |