Dennis Allen

Dennis Allen may refer to:

• Dennis Allen (American football) (born 1972), American football coach and former head coach of the New Orleans Saints in the NFL
• Dennis Allen (criminal) (1951–1987), Australian drug dealer
• Dennis Allen (footballer) (1939–1995), English association football player and manager
• Dennis Allen (comedian) (1940–1995)

• Denis Allen (disambiguation)
• Allen (surname)