English abbreviations from nats to navcent
- NATS (Neighborhood Action Team Seattle)
- NATSO (National Association of Truck Stop Operators)
- NATT (National Alliance for Thrombosis and Thrombophilia)
- NATTKE (National Association of Theatrical, Television, and Kine Employees)
- nau (Nauruan language (ISO 639-2 code))
- NAUA (Nassau Approved Umpires Association)
- NaUKMA (National University of Kyiv-Mohyla Academy)
- NAUL (Netherlands America University League)
- NAULC (Netherlands America University League of California)
- NAUN (North Atlantic University Union)
- NAUS (National Association for Uniformed Services)
- NAUTI MI (Nautical Mile)
- NAUU (National Agricultural University of Ukraine)
- NAUW (National Association of University Women)
- NAV (Navigation receiver)
- Navaid (Navigational aid)
- NAVAIDS (Navigational Aids)
- NAVAIR (Naval Air Systems Command)
- NAVAIRSYSCOM (Naval Air Systems Command (Also Called NAVAIR))
- NAVAR (NAVigation radAR)
- NAVATAC (Navy Antiterrorism Analysis Center)
- NAVCAMS (Naval Communications Area Master Station)
- NAVCC (National Audio-Visual Conservation Center)
- NAVCC (Navy) (Navy Component Commander)
- NAVCENT (Naval Forces U.S. Central Command)