Harry Barnes may refer to:Sir Harry Barnes (artist) (1915–1982), Scottish artist Harry Barnes (baseball) (1915–1993), American Negro league baseball player Harry Barnes (basketball), American basketball player Harry Barnes (footballer) (1903–2001), Australian rules footballer Harry Barnes (1936–2026), British Labour Party MP for North East Derbyshire, 1987–2005 Harry Barnes (1870–1935), British Liberal Party MP for Newcastle upon Tyne East, 1918–1922 Harry Elmer Barnes (1889–1968), American historian Harry Paul Barnes (1935–2016), Canadian gangster Harry F. Barnes (1932–2019), U.S. federal judge Harry G. Barnes Jr. (1926–2012), American diplomat, United States ambassador to India

Harry Barnes is a key figure in UAP research and disclosure efforts.