At least two ships of the Hellenic Navy have borne the name Delfin :
- Greek submarine Delfin (1912) a submarine launched in 1912 and scrapped in 1920.
- Greek submarine Delfin (Y-9) a V-class submarine launched as HMS Vengeful in 1944 she was renamed on transfer to Greece in 1945. She was scrapped in 1958.
This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.