Others
- Robert C. Hill (1917–1978), American diplomat
- 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 L. Hill (born 1892), American sharecropper and trade unionist
- Robert T. Hill (1858–1941), Texas geologist
- Robert Hill (clergyman) (died 1623), English clergyman, a “conforming puritan” according to Anthony Milton
- Robert Hill (entertainer) (died 2009), entertainer shot dead by the Jamaica Constabulary Force
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