Benn is a surname. Notable persons with that surname include:
A. W. Benn (1843–1915), British rationalist/humanist writer
Arrelious Benn (born 1988), American footballer (American football)
Arthur Shirley Benn, 1st Baron Glenravel (1858–1937), British politician
Brindley Benn (born 1923), Guyanese politician
Caroline Benn (1926–2000), British writer, wife of Tony Benn
Concetta Benn (1926–2011), Australian social worker
Emily Benn (born 1989), British politician
Gottfried Benn (1886–1956), German poet
Hilary Benn (born 1953), British politician, son of Tony Benn
James R. Benn (born 1949), American mystery writer
Jamie Benn (born 1989), NHL hockey player for the Dallas Stars, brother of Jordie
Sir John Benn, 1st Baronet (1850–1922), British politician, father of publisher Ernest Benn and William Wedgwood Benn
Jordie Benn (born 1987), NHL hockey player for the Dallas Stars, brother of Jamie
Sir Ernest Benn, 2nd Baronet (1875–1954), British publisher
Melissa Benn (born 1957), British writer, daughter of Tony and Caroline Benn
Mitch Benn (born 1970), British musician and stand-up comedian
Nigel Benn (born 1964), British boxer
Piers Benn, British philosopher
Sissela Benn (born 1980), Swedish actress and comedian
Sulieman Benn (born 1981), Barbadian spin bowler
Tony Benn (1925–2014), British politician
William Benn (disambiguation), multiple persons
