Robert, Rob, Bob, or Bobbie Knight may refer to:
Politics Robert Knight, 1st Earl of Catherlough (1702–1772), Earl of Catherlough and MP for Great Grimsby, Milborne Port and Castle Rising Robert Knight (MP, born 1768) (1768–1855), Member of Parliament (MP) for Wootton Bassett, for Rye, and for Wallingford Robert G. Knight (born 1941), former mayor of Wichita, Kansas Rob Knight (politician) (born 1967), Australian politician Robert Knight or Roy Knight (politician) (1891–1971), member of the Canadian House of Commons
Science Robert P. Knight (1902–1966), American psychoanalyst Robert T. Knight, American neurologist Bob Knight (psychologist) (born 1950), American psychologist Rob Knight (biologist) (born 1976), American biologist
Sports Robert Knight (cricketer, born 1858) (1858–1938), Welsh cricketer and barrister Robert Knight (cricketer, born 1879) (1879–1955), English cricketer Robert Knight (cricketer, born 1957), Australian cricketer Bob Knight (1940–2023), American college basketball coach Bob Knight (basketball, born 1929) (1929–2008), American professional basketball player Bobby Knight, an early ring name of American professional wrestler Mo (Robert Lawrence Horne, 1967–2025)
Others Bobbie Knight, American businessperson, academic administrator and college president Robert Knight (editor) (1825–1890), founding editor of The Times of India and The Statesman Robert Knight (industrialist) (1826–1912), Rhode Island manufacturer, founder of Fruit of the Loom Robert Knight (musician) (1940–2017), American singer Robert Knight (trade unionist) (1833–1911), British leader of the Boilermakers trade union Robert H. Knight (born 1951), American conservative activist Robert K. Knight (1957–2024), American college president Robert M. Knight, American photographer Robert Knight (journalist) (1949–2014), American radio journalist (see List of George Polk Award winners)
See also Robert Knights (born 1942), British director