Dennis Young

Dennis Young may refer to:
 * Dennis Young (Australian politician) (born 1947), Australian politician and anti-drug campaigner
 * Dennis Young (Canadian politician)
 * Dennis Young (diver) (born 1944), English former diver
 * Dennis Young (Papua New Guinean politician) (1936–2008), acting Governor-General of Papua New Guinea in 1991
 * Dennis Young (rugby union) (1930–2020), New Zealand rugby union player