Robert Pike may refer to:
Robert Pike (settler) (1616–1706), opponent to the Salem witchcraft prosecutions of 1692 Robert Pike (bishop) (1905–1973), Bishop of Meath, 1959–1973 Robert G. Pike (1851–1917), justice of the New Hampshire Supreme Court Robert L. Pike (1912–1981), pseudonym of Robert L. Fish, American writer of crime fiction Bob Pike (politician) (1933–1994), Australian politician Bob Pike (surfer) (1940–1999), Australian surfer Rob Pike (born 1956), Canadian software engineer and author Rob Pike (athlete) (born 1970), Canadian pole vaulter on the list of Canadian Track and Field Championships winners