English abbreviations from nafac to nail
- NAFAC (National Festival of Arts and Culture)
- NAFAG (North Atlantic Treaty Organization (NATO) Air Force Armaments Group)
- NAFD (National Association For the Deaf)
- NAFERA (Native American Free Exercise of Religion Act)
- NAFFI (Navy, Army and Air Force Institutes (British))
- NAFFS (New Airborne Fire Fighting System)
- NAFI (National Association of Fraud Investigators)
- NAFISS (Non-Appropriated Funds Information Standard System)
- NAFLD (NonAlcoholic Fatty Liver Disease)
- NAfME (National Association for Music Education (US) (formerly MENC))
- NAFO (Northwest Atlantic Fisheries Organization)
- NAFSA (National Association Of Foreign Student Advisers)
- NAFTA (North American Free Trade Agreement)
- NAFTI (National Film and Television Institute)
- NAFWS (Native American Fish and Wildlife Society)
- NAG (National Archives of Ghana)
- NAGB (National Assessment Governing Board)
- NAGPRA (Native American Graves Protection and Repatriation Act)
- NAGRAT (National Association of Graduate Teachers)
- NAH (Naha Airport)
- NAHA (North American Hedgehog Association)
- NAHC (National Association of Home Builders)
- NAHEMA (NATO HElicopter Management Agency)
- NAHH (National Alliance for Hispanic Health)
- NAHHH (National Association of Hospital Hospitality Houses)
- NAHHHI (National Association of Hospital Hospitality Houses, Inc.)
- NAHL (North American Hockey League)
- NAHREP (National Association of Hispanic Real Estate Professionals)
- NAHRS (North American Hair Research Society)
- NAI (Annai Airport)
- NAIA (National Association of Intercollegiate Athletics)
- NAIC (National Air Intelligence Center)
- NAICS (North American Industry Classification System)
- NAIDOC (National Aboriginal and Islander Day Observance Committee)
- NAIL (Neurotics Anonymous)