Greek submarine Poseidon

At least two ships of the Hellenic Navy have borne the name Poseidon (Ποσειδών), after the ancient Greek god of the sea Poseidon:


 * GREEK SUBMARINE Poseidon a Gato-class submarine launched as USS Lapon in 1942 she was renamed on transfer to Greece in 1957. She was stricken in 1976.
 * GREEK SUBMARINE Poseidon a Type 209 submarine commissioned in 1979.