John Hager

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