The Game Boy Advance (GBA) is a 2001 handheld video game system developed by Nintendo.
GBA may also refer to:
- Gemeinsamer Bundesausschuss (Federal Joint Committee, G-BA), a public health decision-making body in Germany
- Geologische Bundesanstalt, the geological survey of Austria
- National data protection authority (Belgium) [nl] (GBA)
- Ghana Bar Association, a professional association in Ghana
- Giving Back to Africa, a Bloomington, Indiana non-profit organization
- Global Banking Alliance for Women, a non-profit organization concentrating on women's wealth
- Global Biofuel Alliance, an international organization for regulation, research and promotion for biofuel.
- Golaghat Bar Association, a voluntary bar association in India
- Governing Bodies Association, an organisation of governing bodies of independent schools in the UK
- Gute Bücher für Alle, a German charity which operates floating bookshops.
- Public Prosecutor General (Germany) (Generalbundesanwalt, GBA)
- Cahaba Government Benefit Administrators, subsidiary of Blue Cross and Blue Shield of Alabama
- Gramin Bank of Aryavart, a Regional Rural Bank in Uttar Pradesh, India
- Greater Bay Airlines, a low-cost carrier based in Hong Kong, China
- Greenbrier Academy for Girls, a therapeutic college preparatory boarding school in Pence Springs, West Virginia
- Groen Brothers Aviation, now Skyworks Global, an American autogyro research and development company
- KGBA (AM), a radio station (1490 AM) in Calexico, California, United States
- KGBA-FM, a radio station (100.1 FM) in Holtville, California, United States
- WGBA-TV, a television station in Green Bay, Wisconsin
- Gender-based Analysis, a management process to explore the changing realities and inequalities based on gender