Editing PFA

{{Wiktionary}}
'''PFA''' or '''Pfa''' may refer to:

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== Organizations ==
{{for|sports organizations|#Sport}}
* [[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 [[PostScript fonts#Printer Font ASCII|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 [[List of email subject abbreviations|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===
* [[Management of atrial fibrillation#Catheter ablation|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
* [[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]]
{{disambiguation}}