PNF may refer to: Places Nature Park of Faial, on Faial, Azores, Portugal Nature Park of Flores, on Flores, Azores, Portugal Penyffordd railway station, Wales
Science and mathematics Proprioceptive neuromuscular facilitation stretching, a form of static stretching exercise Prenex normal form, in predicate calculus Primary nonfunction in liver transplantation
Other uses National Fascist Party (Partito Nazionale Fascista), Italy Pakistan Netball Federation Pilot not flying People's National Front