John Hager may refer to: John S. Hager (1818–1890), U.S. Senator from California John H. Hager (1936–2020), American politician from Virginia and U.S. Assistant Secretary of Education John Henry Hager (Iowa politician) (1870–1952), American politician from Iowa John Hager (cartoonist) (1858–1932), cartoonist of Dok's Dippy Duck