Dieppe may refer to:

  • Dieppe, Seine-Maritime, a port in Upper Normandy, France
  • Dieppe Bay Town, a seaside town on Saint Kitts, was the first French settlement in the West Indies
  • Dieppe, New Brunswick, a city in Canada located near Moncton, NB
  • Dieppe-sous-Douaumont, a French commune in Lorraine, France
  • HMS Dieppe, two ships of the Royal Navy
  • SS Dieppe, three ships of the London, Brighton and South Coast Railway
World War II Battle
  • "Dieppe", the battle honour awarded to forces participating in the Dieppe Raid, a World War II Allied attack on German forces in the French town