BDA may refer to:
Businesses or groups Banco de Desenvolvimento de Angola Banco Delta Asia, a bank in Macau suspected of harboring North Korean financial assets Bangalore Development Authority BDA China Limited, is a business advising firm based in Beijing, China Bhubaneswar Development Authority, agency responsible for the development of Bhubaneswar, Orissa, India Bohol Deaf Academy, Philippines British Deaf Association British Dental Association British Dietetic Association, a professional association and trade union for dietitians in the United Kingdom British Dragon Boat Racing Association, UK governing body for dragon boat racing as a sport and recreation Bund Deutscher Architekten or Association of German Architects Bundesvereinigung der Deutschen Arbeitgeberverbände or Confederation of German Employers' Associations Business Daily Africa, an English-language daily business newspaper published in Kenya. Beijing Economic-Technological Development Area
Science / Technology Beaver Dam Analog or Analogue, a man made structure that mimics a beaver's dam to regenerate areas suffering from desertification Benzylideneacetone, an organic compound Bi-directional amplifier Blu-ray Disc Association, responsible for developing and promoting the Blu-ray Disc Brazilian Decimetric Array, a radio interferometer telescope Broadcast Driver Architecture, a Microsoft Windows technology used by MediaPortal to allow multiple tuner drivers Cosworth BDA, a Cosworth-developed Ford Motorsport engine
Military Battle damage assessment, or bomb damage assessment Browning BDA (disambiguation), name given to a number of different handguns
Other uses L.F. Wade International Airport, formerly Bermuda International Airport (IATA code: BDA) – the airport serving the island of Bermuda