Gamaliel Bradford may refer to: Gamaliel Bradford (privateersman) (1768–1824), American privateersman Gamaliel Bradford (abolitionist) (1795–1839), American physician and early abolitionist from Boston Gamaliel Bradford (banker) (1831–1911), American banker from Boston who helped organize the American Anti-Imperialist League Gamaliel Bradford (biographer) (1863–1932), American biographer, critic, poet, and dramatist