Robert or Rob Harris may refer to:

Entertainment

• Robert Harris (painter) (1848–1919), Canadian painter
• Robert Harris (English actor) (1900–1995), English actor
• Robert H. Harris (1911–1981), American actor
• Robert Harris (poet) (1951–1993), Australian poet
• Robert Harris (novelist) (born 1957), British novelist
• Robert A. Harris (born 1945), American film preservationist
• Robert J. Harris (writer) (born 1955), Scottish academic and author
• Robert S. Harris (programmer), video game programmer
• J. Robert Harris (1925–2000), U.S. composer of the 1967 Spider-Man television series theme
• Rob Harris, guitarist with Jamiroquai and Shuffler

Politics and law

• Robert Harris (Pennsylvania politician) (1768–1851), U.S. congressman from Pennsylvania
• Robert Harris (Utah politician) (died 2005), member of the Utah House of Representatives
• Robert E. Harris (1935–1996) member of the Virginia House of Delegates
• Robert O. Harris (1854–1926), U.S. congressman from Massachusetts
• Robert O. Harris (lawyer) (1929–2007), American labor lawyer
• Robert J. Harris (mayor) (1930–2005), lawyer, professor, and mayor of Ann Arbor, Michigan
• Robert Harris (diplomat) (born 1941), governor of Anguilla
• Robert Edward Harris, Canadian judge in Nova Scotia
• Rob Harris (South Carolina politician), member of the South Carolina House of Representatives

Religion

• Robert Harris (minister) (1581–1658), English Puritan
• Robert Harris (priest) (1764–1862), Anglican priest and educator
• Robert Harris (bishop) (born 1944), bishop of the Roman Catholic Diocese of Saint John, New Brunswick
• Robert L. Harris, American prelate of the Episcopal Church
• R. Laird Harris (1911–2008), American church leader

Sports

• Robert Harris (golfer) (1882–1959), Scottish amateur golfer
• Robert Harris (basketball) (1886–1964), American basketball player and coach
• Robert Harris (American football) (born 1969), former American football player
• Robert Harris (footballer) (born 1987), Scottish football player
• Rob Harris (referee) (born 1957), English football referee
• Rob Harris (curler) (born 1963), Canadian curler
• Rob Harris (skysurfer) (1966–1995), American skysurfer
• Rob Harris (ice hockey) (born 1953), American ice hockey player

Other

• Robert Harris (railroad manager) (1830–1894), American railroad president
• Robert Harris (Royal Navy officer, 1843–1926) (1843–1926), British admiral
• Robert B. Harris (1922–2014), American sailboat designer
• Robert Alton Harris (1953–1992), American murderer
• Robert S. Harris (architect), American architect, civic leader and urbanist
• Robert Wayne Harris (1972–2012), American mass murderer
• Rob Harris (journalist), British sports journalist