PFA

• List of email subject abbreviations
• PFA Footcare Association (Canadian Chapter)
• Pacific Film Archive
• Pahang FA
• Palestinian Football Association
• Parafluoroamphetamine
• Paraformaldehyde
• People for Animals
• Perak FA
• Perfluoroalkoxy alkane
• Police Federation of Australia
• Policía Federal Argentina
• Popular Flying Association
• Popular Front of Azerbaijan
• Portable Format for Analytics
• PostScript fonts
• Predictive failure analysis
• Prime-factor FFT algorithm
• Probabilistic finite automaton
• Professional Footballers Australia
• Professional Footballers' Association
• Professional Fraternity Association
• Proper forcing axiom
• Pulverised fuel ash
• false positive rate