NAF
- Blood Bowl
- Coop Norden
- NAF (non-profit organization)
- NATO Architecture Framework
- Naf River
- National Abortion Federation
- National Academies Forum
- National Academy Foundation School
- National Arbitration Forum
- Native American flute
- Naval Aircraft Factory
- Naval air station
- Negation as failure
- Netherland-America Foundation
- Netherlands Antillean guilder
- Neutrophil
- New America Foundation
- Nice As Fuck
- Nigerian Air Force
- Non-adjacent form
- North Anatolian Fault
- Norwegian Automobile Federation
- Norwegian Employers' Confederation
- Norwegian Union of General Workers
- Numbered Air Force
- Sodium fluoride
- United Armed Forces of Novorossiya