Seabourne is a surname. Notable people with the surname include:
Barry Seabourne (born 1947), English rugby league player John Seabourne, British film editor (fl. 1930s–1950s) Peter Seabourne (born 1960), English contemporary classical composer
See also Seaborn, a surname and given name Seaborne (disambiguation) Seabourn (disambiguation) Seaburn, a seaside resort in England