FMA may stand for:
- Fabrica Militar de Aviones, Argentina's military aircraft factory
- Federaçao Moçambicana de Atletismo, the governing body for the sport of athletics in Mozambique
- Federal Marriage Amendment, a proposed United States Constitutional amendment
- Fellow of the Museums Association
- Festival du Monde Arabe de Montréal
- Filipino martial arts, martial arts as practiced in the Philippines
- Financial Management Advisor designation of the Canadian Securities Institute
- Financial Market Authority (Liechtenstein) financial regulatory authority of Liechtenstein
- Financial Markets Authority (New Zealand) the financial regulatory authority of New Zealand
- First-move advantage in chess, the inherent advantage of White (the first player) in a chess game
- First-mover advantage, advantage gained by the first mover in a game theoretic scenario or the market advantage gained by the first entrant
- Forestville Military Academy, in Forestville, Maryland, United States
- Foundational Model of Anatomy, a computer-based knowledge source for bioinformatics
- Free Music Archive, a website hosting free music
- Fullmetal Alchemist, a Japanese manga and anime series
- Fused multiply–add operation: round(A*B+C)
- FMA instruction set of x86 microprocessors
- Future Media Architects, an internet development company
- Financial Management and Accountability Act 1997, an Australian Government Act about the proper management of public money and property