Robert Warner may refer to:
Politicians Robert Warner (fl. 1390), MP for Marlborough Robert Warner (MP, born 1510) (1510–1575), MP Chippenham 1545, Wilton 1547, Downton March 1553 and Bossiney 1559
Others Robert M. Warner (1927–2007), sixth archivist of the United States Bob Warner (24), fictional character on the American television series 24 Bob Warner (ice hockey) (born 1950), former National Hockey League forward Robert Warner (actor) (born 1937), Canadian actor in Corwin (TV series) etc. See also Rob Warner (disambiguation)