DGB may stand for: German Trade Union Confederation (German: ) German Federation of the Deaf (German: ) DGB Financial Group, a Korean banking holding company Diy-Gid-Biy, a group of archeological sites in northern Cameroon and Nigeria Disinformation Governance Board, an advisory board of the United States Department of Homeland Security Dirección General de Bachillerato, an educational program of Mexico encompassing the Preparatoria Federal