PNF
PNF is an abbreviation for:
- Partito Nazionale Fascista , the party of Italian fascists that existed from 1921 to 1943
- Pilot not flying in aviation
- Polish normal form in computer science and (mathematical) logic
- Prenex normal form , a possible normal form in computer science and (mathematical) logic, in which statements of predicate logic can be represented
- Proprioceptive Neuromuscular Facilitation , a physiotherapeutic treatment method
- plexiform neurofibroma, a possible side effect of neurofibromatosis type 1
