Benfield is a surname. Notable people with the surname include:
Andrea Benfield (born 1978), English journalistChristopher Benfield Carter (1844–1906), Canadian politicianDerek Benfield (1926–2009), British playwright and actorFred Benfield (1937–2007), Australian rower who competed in the 1956 Summer OlympicsJohn Benfield, British actor, who has appeared in 75 TV episodes or films starting in 1981Robert Benfield (died 1649), seventeenth-century actor, longtime member of the King's MenTommy Benfield (died 1918), English footballerWarren Benfield (1913–2001), classical double bass player