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Richard Dixon (bishop) (fl. 1570s), Bishop of Cork and Cloyne •
Richard Watson Dixon (1833–1900), English poet and divine •
Richard Dixon (chemist) (1930–2021), British chemist •
Richard Frederick Dixon (born 1940), American criminal hijacker and murderer •
Richard Dixon (translator) (born 1956), British translator •
Richard Dixon (USCG) (fl. 1980), American Coast Guard officer •
Richard Dixon (biologist), American biologist; professor at the University of North Texas ==Other uses==