BMA may stand for:
- Backup Management Applications
- Bahamas Maritime Authority
- Balkan Music Awards
- Baltimore Museum of Art
- Bangkok Metropolitan Administration
- Bangladesh Military Academy
- Baptist Missionary Association of America, an association of churches in the United States
- Battery Manufacturing Association, a British automobile manufacturer
- Bayesian model averaging, a method in Bayesian statistics, see ensemble learning
- Beatport Music Awards
- Berlekamp-Massey algorithm, a system for finding the minimal polynomial of a linearly recurrent sequence
- Bermuda Militia Artillery Defunct Royal Regiment of Artillery volunteers in Bermuda.
- Bermuda Monetary Authority
- BHP Billiton Mitsubishi Alliance, a coal mining company based in Queensland, Australia
- Beskydy Mountain Academy, a gymnasium (secondary school) in Frýdlant nad Ostravicí, Czech Republic
- Biblical Mennonite Alliance
- Billboard Music Awards
- The Bhopal Medical Appeal, a UK charity supporting survivors of the two disasters in Bhopal, India
- Black Male Adult, a description commonly used in reports by United States law enforcement personnel - Law enforcement jargon
- Black Market Activities, a record label
- Black Movie Award, a celebration of Black cinema and the achievements of the men and women of African descent
- Black Music Awards, by the Black Music Association & Academy, Chicago
- Block-matching algorithm, a system used in computer graphics applications
- International Bluegrass Music Association
- BMA Entertainment, one of the entertainment groups in Hong Kong
- bma magazine, a music magazine published in Canberra, Australia
- Bond Market Association, the former international trade association for the bond market industry
- British Medical Association
- British Midland Airlines, the identity of bmi in the 1960s and 70s.
- British Military Administration
- Broaden Media Academy, a film and video training facility in Taipei, Taiwan
- Business Marketing Association, an association of marketing and communications professionals
- Stockholm-Bromma Airport
- Bureau des Menées Antinationales, (Bureau of Anti-national Activities)
- Borderless Military Alliance, a fictional organization in the Rideback manga and anime