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, forerunner of the Popular Front Party of Azerbaijan (PFPA) Professional Fraternity Association
Science, technology, and mathematics Chemistry and materials science Paraformaldehyde, a fixation solution Perfluoroalkoxy alkane, 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 Perak FA, 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 Australian soccer trade union
Other uses Protection from abuse order Psychological first aid