Fas or FAS may refer to:
Places Fez, Morocco, alternate spelling Poti, Georgia, a port city in Georgia
Businesses Federation Air Service, a former Malaysian regional airliner Fiat Automobili Srbija, Serbian automobile manufacturer Film Authors' Studio, Croatia
Organizations In research and academia Faculty of Arts and Sciences (disambiguation), of several universities Federation of American Scientists Federation of Astronomical Societies (mainly UK)
In sport Football Association of Singapore Club Deportivo FAS, a Salvadoran football club
Other organizations Federal Antimonopoly Service, Russia Femmes Africa Solidarité, an NGO founded in 1996 FÁS, former training and employment authority of Ireland Foreign Agricultural Service, US Salvadoran Air Force (Spanish: Fuerza Aérea Salvadoreña)
In science and technology In biology and medicine Fas receptor or CD95, a receptor protein Fatty acid synthase, an enzyme Fetal alcohol syndrome, disorders in someone whose mother drank while pregnant with them Foreign accent syndrome, of a person speaking their own language
Other uses in science and technology NetApp FAS (fabric-attached storage), for computer data Feedback arc set, in graph theory Final assembly schedule, in manufacturing
Other uses Fas language of Papua New Guinea Fas (Roman), the concept of ritual propriety in ancient Roman religion, particularly with regard to lucky and unlucky days of the Roman calendar Federal-aid secondary highway system of US Federal Aid Highway System Free African Society, an 18th-century African-American community Free Alongside Ship, an International Commercial Term Financial Assistance Scheme, a part of the UK welfare system Frankfurter Allgemeine Sonntagszeitung, a German newspaper Fellow of the Anatomical Society, of the UK
See also Fass (disambiguation) Faas (disambiguation) Faz (disambiguation)