Sarjeant is a surname. Notable people with the surname include: Ellen Sarjeant (1868 - 1939), New Zealand artist, curator, registrar and philanthropist Geoff Sarjeant (born 1969), Canadian ice hockey player Marcus Sarjeant (born 1964), British gunman who fired six blank shots at Queen Elizabeth II in 1981 William Sarjeant (19352002), English-born Canadian geologist