FFB may refer to:
Businesses Fédération Française du Bâtiment, a French building trade group First Fidelity Bank, an American bank
Sporting bodies Football Federation of Burundi Football Federation of Belarus Football Federation of Belize French Boxing Federation French Bridge Federation ()
Other organisations Federal Financing Bank, a United States government corporation Foundation Fighting Blindness, an American nonprofit organization Radio forces françaises de Berlin, a defunct French military radio broadcasting service
Other uses Fürstenfeldbruck (district), in Germany Frum from birth, a Jewish phrase; see Frum