Soviet submarine K-55 may refer to one of the following submarines of the Soviet Navy:
- Soviet submarine K-55 (1941), a K-class submarine; decommissioned in 1954 and scrapped
- Soviet submarine K-55 (1960), a Hotel-class (or Project 658) nuclear submarine; decommissioned in 1989 and scrapped
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.