PFA or Pfa may refer to:

Organizations

* Pacific Film Archive, now part of the Berkeley Art Museum and Pacific Film Archive (BAM/PFA) * People for Animals, Indian animal welfare organisation * PFA Footcare Association (Canadian Chapter) * Police Federation of Australia * Policía Federal Argentina, the Argentine Federal Police * Popular Flying Association, a former name of the Light Aircraft Association *

Popular Front of Azerbaijan The Azerbaijani Popular Front Party (APFP; , ) is a political party in Azerbaijan, founded in 1989 by Abulfaz Elchibey. Since Elchibey was ousted from power in the 1993 military coup, the party has been one of the main opposition parties to th ...

, forerunner of the Popular Front Party of Azerbaijan (PFPA) *

Professional Fraternity Association The Professional Fraternity Association (PFA) is an American association of national, college, collegiate, professional fraternities and sororities that was formed in . Since PFA groups are discipline-specific, members join while pursuing gradua ...

Science, technology, and mathematics

Chemistry and materials science

Paraformaldehyde Paraformaldehyde (PFA) is the smallest polyoxymethylene, the polymerization product of formaldehyde with a typical degree of polymerization of 8–100 units. Paraformaldehyde commonly has a slight odor of formaldehyde due to decomposition. Par ...

, a fixation solution *

Perfluoroalkoxy alkane Perfluoroalkoxy alkanes (PFA) are fluoropolymers. They are copolymers of tetrafluoroethylene (C2F4) and perfluoroethers (C2F3ORf, where Rf is a perfluorinated group such as trifluoromethyl (CF3)). The properties of these polymers are similar ...

, a plastic or polymer resin * Pulverised fuel ash, a waste product of pulverised coal * Parafluoroamphetamine * Performic acid * See also PFAS, Per- and polyfluoroalkyl substances

Computer science

* Probabilistic finite automaton * .pfa, ''Printer Font ASCII'', a file extension for PostScript Printer Font ASCII * Predictive failure analysis, a technology for hard disk health monitoring, the predecessor of S.M.A.R.T. * Portable Format for Analytics, a JSON-based file format for encoding data analytics, such as data mining models. * PFA, an email abbreviation for "Please Find Attached" or "Please Find the Attachment"

Mathematics and statistics

* Prime-factor FFT algorithm, a fast algorithm for computing the discrete Fourier transform * Proper forcing axiom * Probability of False Alarm, a synonym for false positive rate which is commonly used in radar and related fields

Sport

* Pahang FA, a Malaysian association football club *

Palestinian Football Association The Palestinian Football Association () is the governing body for football in Palestine, and for the men's Palestine national football team and the Palestine women's national football team. History Palestinian Jewish formation The Mandatory Pa ...

Perak FA Perak Football Club (Perak FC) was a professional football team based in Ipoh, Perak, Malaysia. Founded in 1921, it was one of the oldest football clubs in the country and last competed in the Malaysia Super League. Formerly overseen by the P ...

, a Malaysian association football club * Pickleball Federation of the Americas, a "continental" sport oversight organization * Professional Footballers' Association, the English and Welsh association football trade union *

Professional Footballers Australia The Professional Footballers Australia (PFA), formerly the Australian Soccer Players' Association, is an Australian trade union affiliated with the Australian Council of Trade Unions and FIFPRO that represents Professional sports, professional ...

, the Australian soccer trade union

Other uses

* Protection from abuse order * Psychological first aid {{disambiguation