INS Dolphin may refer to one of the following submarines of the Israeli Sea Corps:
- INS Dolphin (1944), the former British T-class submarine HMS Truncheon (P353); acquired by the Israeli Sea Corps in 1965; scrapped in 1977
- INS Dolphin (1996), the lead ship of the Dolphin-class submarine; commissioned in May 1998
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.