PFA

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

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

Medicine

 * Pulsed Field Ablation, high-amplitude pulse electrical fields to create irreversible electroporation in tissues

Sport

 * Pahang FA, a Malaysian association football club
 * Palestinian Football Association
 * Perak FA, a Malaysian association football club
 * 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