BDA can refer to
Broadcast Driver Architecture, a Microsoft Windows technology that enables tuner drivers for digital reception from many sources.
Blu-ray Disc Association, responsible for developing and promoting the Blu-ray Disc.
Banco Delta Asia, a bank in Macaususpected of harboring North Korean financial assets.
British Dental Association
British Deaf Association
Bermuda International Airport, from its IATA airport code.
Bomb damage assessment
Business Development Asia, an Asian investment banking boutique
Wikimedia Foundation. 2010.