Robert Hill may refer to:

• Robert Hill (died 1423) (c. 1361–1423), member of parliament (MP) for Somerset
• Robert Hill (died 1426) (before 1350–c. 1426), English politician and judge
• Robert Hill (died 1444) of Shilston, son of the judge, and sheriff of Devon in 1428
• Robert Hill (Australian politician) (born 1946), former Australian senator, defence minister and ambassador to the United Nations
• Robert P. Hill (1874–1937), American politician, U.S. representative from Illinois and Oklahoma
• Robert M. Hill Jr. (born 1932), American politician in the Alabama House of Representatives

• Robert Hill (coach) (c. 1934–2016), American football and baseball coach
• Bob Hill (born 1948), American basketball coach, also referred to as Robert W. Hill
• Rob Hill (field hockey) (born 1967), British field hockey player
• Rob Hill (pool player), 2003 EUKPF World Champion
• Robbie Hill (born 1954), New Zealand cricketer

• Rob Hill (producer), music producer and engineer
• Robert Hill (musician) (born 1953), American harpsichordist and fortepianist

• Robert Andrews Hill (1811–1900), U.S. federal judge
• Robert Madden Hill (1928–1987), U.S. federal judge

• Robert A. Hill (historian) (born 1943), Jamaican historian and Marcus Garvey scholar
• Robert B. Hill (born 1938), American sociologist
• Robert C. Hill (1917–1978), American diplomat
• Robert Chambre Hill (1778–1860), British Army officer of the Napoleonic War era
• Robert F. Hill (1886–1966), Canadian director, screenwriter, and actor during the silent film era
• Robert Gardiner Hill (1811–1878), British surgeon specialising in treatment of the insane
• Robert J. Hill (died 1953), American draftsman, designer, and art director
• Robert Lee Hill (1892–1963), American sharecropper and trade unionist
• Robert L. Hill (biochemist) (1928–2012), American biochemist
• Robert S. Hill (born 1954), Australian botanist
• Robert T. Hill (1858–1941), Texas geologist
• Robert W. Hill (1828–1909), American architect
• Robert Hill (priest) (died 1623), English clergyman, a "conforming puritan" according to Anthony Milton
• Robert Hill (entertainer) (died 2009), entertainer shot dead by the Jamaica Constabulary Force
• Robert Hill (writer), American writer
• Robert Jordan Hill, British director, writer, editor and producer
• Robert Wylie Hill (1851–1939), Scottish importer and retailer

• Bobby Hill (disambiguation)
• Robert Hull (disambiguation)
• Robin Hill (biochemist) (1899–1991), also known as Robert Hill, British biochemist
• Robert Hill Hanna (1887–1967), Irish-born Canadian recipient of the Victoria Cross