PF may refer to:
Arts and entertainment Pianoforte, full original name of the piano instrument Phineas Flynn, a fictional character Project Fanboy, a comic book news website Peregrine Falcons Squad, a faction in the Metal Slug series of video games
Businesses PF Flyers, a brand of shoes Palestinian Airlines (IATA code PF 1995-2020), a Palestinian airline that operated from Egypt Primera Air (IATA code PF 2009-2018), a Danish airline Pell Frischmann, a multi-disciplinary engineering consultancy
Economics and finance Pfennig, a unit of currency formerly used in Germany, symbol ₰ Provident Fund (disambiguation), name of various pension funds
Language Phonetic form, a level of syntactic representation in linguistics Voiceless labiodental affricate (⟨p̪͡f⟩, ⟨p̪͜f⟩, or ⟨p̪f⟩), a type of consonant sound Pf (digraph), a German digraph
Organizations Pheasants Forever, a non-profit habitat conservation organization Federal Police (Polícia Federal), in Brazil Patients' Front, a late 1960s to early 1970s West German pro-illness movement South Vietnamese Popular Force, a local defense militia formed by South Vietnam during the Vietnam War Patriotic Front (disambiguation), name of a political party in several countries
Places Paracel Islands, FIPS PUB 10-4 territory code French Polynesia (Polynésie française), by ISO 3166 code .pf, internet country code for French Polynesia Pforzheim and Enzkreis district, Germany (vehicle plate code PF)
Science and technology Computing .pf, internet country code for French Polynesia PF (firewall), OpenBSD's stateful packet filter PF keys, a type of function keys on old keyboards Page fault, a type of exception (error) in computer programming Page file, a file used as an extension for computer memory
Physics Power factor, or cos phi, of an AC electric power system Purple fringing, a type of chromatic aberration in photography Phenol formaldehyde resin, the earliest synthetic polymer Picofarad (pF) or petafarad (PF), multiples of farad, the SI unit of electric capacitance Photon Factory, a synchrotron located at KEK in Tsukuba, Japan
In other sciences and mathematics pf(A), the Pfaffian of a matrix A Phenylphosphine, an organophosphorus compound Plasmodium falciparum, a species of Plasmodium that causes malaria in humans Polar front, in meteorology Position fix, a position derived from measuring external reference points Psychometric function, an inferential psychometric model Horowitz index (PF), blood oxygenation
Sports Personal foul (disambiguation), a type of foul in several sports Power forward (disambiguation), a type of position in several sports
Other uses A US Navy hull classification symbol: Patrol frigate (PF) Pilot flying, in commercial aviation, a designation for the pilot in control of an aircraft New Year cards with PF / P.F. or , as New Year wishes, since 19th century in Bohemia Procurator fiscal, the public prosecutor in Scotland Public forum debate, a debate sanctioned by the National Speech and Debate Association Pekoe Fannings, a grade of tea leaves
See also PF1 (disambiguation)