In some role-playing games, "Fleetness, Aegis, Puissance": see .

Força Aérea Portuguesa, the Portuguese Air Force

Familial adenomatous polyposis, a condition where polyps form in the large intestine

Filtre À Particules, the French term for a diesel particulate filter

Fundamentals of Actuarial Practice, an online module based learning tool developed by the Society of Actuaries as part of its educational requirements for accreditation

Fuerza Aérea del Peru, the Peruvian Air Force

Fixed action pattern, a stereotypic behavior found in animals

Functional Analytic Psychotherapy, a form of clinical practice.

Freiheitliche Arbeiter Partei, the Free German Workers' Party, a former German political party

Federal Art Project, the visual arts arm of Federal One in the United States

Final anthropic principle, the theory that information will never die out

Fair Access Policy, a term for the system of download and upload limits imposed by satellite internet providers

Fabrika automobila Priboj, an automobile production plant in Priboj, Serbia

Friendly Adult Presence, an adult overseeing a gathering of minors

Forces Armées Populaires, the People's Armed Forces of Chad

FORTRAN Assembly Program

Fas-associated phosphatase, an enzyme

Male (though less often female) masturbation (noun, verb, and onomatopoeia)