DBB or dBB can mean several things:
Daigasso! Band Brothers, a music video game Dasmariñas Bagong Bayan, a public housing project in the Philippines Davis Brody Bond, an American architectural firm dB(B), a former sound level unit De Broglie–Bohm theory, an interpretation of quantum theory Deep Banana Blackout, an American jazz-funk band Dependency Based Build, an IBM framework Design–bid–build, a project delivery method (German Federal Railway), state railway system of Germany (German Federal Bank), Germany's central bank (German Bandy Federation), the sports governing body for bandy in Germany (German Basketball Federation), the sports governing body for basketball in Germany (German Union of Building Trades), former trade union in Germany (German Civil Service Federation), a trade union for German government employees (German Brewers Federation), a German federation Don Bosco Bandel, a Catholic boys' school in Bandel, India "Duffle Bag Boy", a song by Playaz Circle El Alamein International Airport (IATA: DBB), in El Dabaa, Matrouh Governorate, Egypt