PFA
# 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

## 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
* 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
