| Acronym | Definition |
|---|
| NMAC | National Minority AIDS Council |
| NMAC | New Mexico Administrative Code |
| NMAC | New Mexico Association of Counties |
| NMAC | Near Mid-Air Collision |
| NMAC | National Mortgage Assistance Center (various locations) |
| NMAC | Nissan Motors Acceptance Corporation |
| NMAC | Nuclear Maintenance Application Center (Electric Power Research Institute) |
| NMAC | Nuclear Material Accountancy and Control |
| NMAC | New Mexico Archaeological Council (Albuquerque, NM) |
| NMAC | National Malaria Advisory Committee |
| NMAC | National Marine Archives Center |
| NMAC | Northeast Michigan Arts Council |
| NMAC | National Martial Arts College |
| NMAC | Northampton Model Aero Club (UK) |
| NMAC | National Maritime Assessment Centre (UK) |
| NMAC | Nord Mini Auto Club (French automobile club) |