NPF may refer to:
- National Park Foundation
- The National Policy Forum of the British Labour Party
- The National Press Foundation
- National Pro Fastpitch
- NPF (firewall), NetBSD's stateful packet filter
- The Network Processing Forum
- National Progressive Front (Iraq)
- National Progressive Front (Syria)
- The National Psoriasis Foundation
- Neuropsychiatric Forum
- Nigeria Police Force
- Nikos' Pokémon Forum
- North Preston's Finest