Operation Neptune (disambiguation)

Operation Neptune may refer to:


 * Operation Neptune – the Allied Invasion of Normandy during World War II.
 * Operation Neptune (Afghanistan)
 * Operation Neptune (espionage) – the Soviet disinformation program in 1964
 * Operation Neptune (New Zealand) - International Naval Review
 * Operation Neptune (video game) – a computer game
 * Operation Neptune Spear – the killing of Osama Bin Laden