John Douglass

John Douglass may refer to:


 * John Douglass (bishop) (1743–1812), English Catholic vicar-apostolic
 * John J. Douglass (1873–1939), U.S. Representative
 * John Thomas Douglass (1847–1886), American composer and violinist
 * John W. Douglass (born 1941), American military officer and politician
 * John W. Douglass (politician), Maryland politician
 * John W. Douglass (IRS Commissioner)
 * John Watkinson Douglass (1827–1909), American politician
 * Jack Douglass (John Patrick Douglass, born 1988), internet personality