Back Operation Neptune (Begriffsklärung) German Opération Neptune French Operacija Neptun (razdvojba) Croatian Operation Neptune Italian 해왕성 작전 Korean Операція «Нептун» (значення) Ukrainian
Operation Neptune was the code name for the naval phase of the Allied Invasion of Normandy during World War II.
Operation Neptune may also refer to:
- Operation Neptune (espionage), a disinformation campaign by communist Czechoslovakia in 1964
- Operation Neptune (Afghanistan) (2005)
- Operation Neptune (New Zealand), a commemoration of the 75th anniversary of the New Zealand Navy
- Operation Neptune (video game), a computer game