CBB may refer to:
Banks CBB Bank, an American bank Central Bank of Bahrain Central Bank of Barbados Central Bank of Belize
Entertainment and media Celebrity Big Brother (British TV series), a British reality television show Comedy Bang! Bang!, a podcast Comedy Bang! Bang! (TV series), a television adaptation
Sport Brazilian Basketball Confederation () Canterbury-Bankstown Bulldogs, an Australian rugby league team Colby-Bates-Bowdoin Consortium, an American college athletic association
Technology Cincinnati Bell, doing business as Altafiber, an American telecommunication company Common Building Block, a set of standards for laptop components Community bulletin board Connexion by Boeing, an in-flight Wi-Fi provider
Transport Carbis Bay railway station, Cornwall, England Chesapeake Bay Bridge, Maryland, United States Chibi North railway station, Hubei, China Cibeber railway station, Cianjur Regency, West Java, Indonesia Jorge Wilstermann International Airport Cochabamba, Bolivia
Other uses Calvin–Benson–Bassham cycle, in photosynthesis Camp B'nai Brith (Montreal), a Jewish summer camp near Lantier, Quebec Camp B'nai Brith (Ottawa), a Jewish summer camp near Quyon, Quebec Coomassie brilliant blue, a dye