FBB may refer to: FBB (F6FBB), a packet radio messaging system FBBank, a defunct Greek bank Federação de Bandeirantes do Brasil, the Girl Guide Federation of Brazil Female bodybuilding FinBank Burundi, a Burundian bank Flughafen Berlin Brandenburg GmbH, a German airport operator Folding boxboard Foundation Beyond Belief, a humanist charity that promotes secular volunteering and responsible charitable giving. The Fresh Beat Band, an American television series Führerbegleitbrigade, a German armoured brigade of World War II