Robert Fox may refer to:
Robert Fox (activist), 19th-century African-American civil rights activist
Robert Fox (footballer) (born 1931), Australian rules footballer
Robert Fox (historian) (born 1938), historian of science who has appeared on In Our Time
Robert Fox (journalist), defence correspondent for the Evening Standard
Robert Fox (producer) (born 1953), English theatre and film producer
Robert Barclay Fox (1817–1855), Quaker diarist and Falmouth businessman
Robert Barclay Fox (1873–1934), Falmouth businessman and Conservative Cornish politician, grandson of Barclay Fox
Robert Bradford Fox (1918–1985), Philippine historian
Robert J. Fox (1927–2009), Roman Catholic priest and author from South Dakota
Robert J. Fox (pastor) (1930–1984), Associate pastor and activist from The Bronx, NY
Robert Were Fox the Elder (1754–1818), Falmouth businessman, father of Robert Were Fox the Younger
Robert Were Fox the Younger (1789–1877), English geologist and natural philosopher, father of Barclay Fox
Robert F. Fox, Jr. (born 1941), New York City architect
Robert Fox (antiquarian) (1798–1843), English antiquarian