PFA or Pfa may refer to:

Organizations

Pacific Film Archive The Berkeley Art Museum and Pacific Film Archive (BAMPFA, formerly abbreviated as BAM/PFA) are a combined art museum, repertory movie theater, and film archive associated with the University of California, Berkeley. Lawrence Rinder was Director ...

, now part of the Berkeley Art Museum and Pacific Film Archive (BAM/PFA) *

People for Animals People For Animals is one of India's largest animal welfare organisations, originally founded by Maneka Gandhi in 1992. Currently, the headquarters of this organisation is located in New Delhi, with over 100 regional units located around India. ...

, Indian animal welfare organisation *

PFA Footcare Association (Canadian Chapter) PFA Footcare Association (Canadian Chapter) is a self-regulatory body which upholds, monitors and supports the competent and ethical practice of credentialed (Certified Pedorthist) members. Supporting the Canadian Pedorthic profession and improvi ...

Police Federation of Australia The Police Federation of Australia (PFA) is a peak police union body that represents the interests of Australian police officers. It was formerly registered under the Workplace Relations Act 1996 on 1 January 1998. The Canberra office was op ...

Policía Federal Argentina The Argentine Federal Police ( or PFA) is the national civil police force of the Argentine federal government. The PFA has detachments throughout the country. Until January 1, 2017, it also acted as the local law enforcement agency in the ca ...

, the Argentine Federal Police *

Popular Flying Association The Light Aircraft Association (LAA) is the representative body in the United Kingdom for amateur aircraft construction, and recreational and sport flying. It oversees the construction and maintenance of homebuilt aircraft, under an approval from ...

, 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 Coal combustion products (CCPs), also called coal combustion wastes (CCWs) or coal combustion residuals (CCRs), are byproducts of burning coal. They are categorized in four groups, each based on physical and chemical forms derived from coal combust ...

, a waste product of pulverised coal * Parafluoroamphetamine * Performic acid * See also

PFAS Per- and polyfluoroalkyl substances (also PFAS, PFASs, and informally referred to as "forever chemicals") are a group of synthetic organofluorine chemical compounds that have multiple fluorine atoms attached to an alkyl chain; there are 7 millio ...

, 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 The Portable Format for Analytics (PFA) is a JSON-based Predictive modelling, predictive model interchange format conceived and developed by Jim Pivarski. PFA provides a way for analytic applications to describe and exchange Predictive modelling, ...

, 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 The prime-factor algorithm (PFA), also called the Good–Thomas algorithm (1958/1963), is a fast Fourier transform (FFT) algorithm that re-expresses the discrete Fourier transform (DFT) of a size as a two-dimensional DFT, but ''only'' for the ca ...

, a fast algorithm for computing the discrete Fourier transform *

Proper forcing axiom In the mathematical field of set theory, the proper forcing axiom (''PFA'') is a significant strengthening of Martin's axiom, where forcings with the countable chain condition (ccc) are replaced by proper forcings. Statement A forcing or partia ...

* Probability of False Alarm, a synonym for false positive rate which is commonly used in radar and related fields

Sport

Pahang FA Sri Pahang Football Club () is a Malaysian professional football club based in Kuantan, Pahang. They currently play in the Malaysia Super League, the top tier of Malaysian football. Founded in 1959, it has traditionally worn a yellow home kit s ...

, 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 This list of pickleball organizations identifies key organizations around the world that promote or support the sport of pickleball Pickleball is a racket or paddle sport in which two or four players use a smooth-faced paddle to hit a perfora ...

, a "continental" sport oversight organization *

Professional Footballers' Association The Professional Footballers' Association (PFA) is the trade union for professional footballers in England and Wales. Founded in 1907, it is the world's oldest professional sports trade union, with approximately 5,000 current members each seaso ...

, 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 A restraining order or protective order is an order used by a court to protect a person in a situation often involving alleged domestic violence, child abuse and neglect, assault, harassment, stalking, or sexual assault. Restraining and perso ...

order * Psychological first aid {{disambiguation