Two submarines of the United States Navy have been named USS Seal for the seal, a marine mammal.
- USS Seal (SS-19½), the first submarine built for the Navy by Simon Lake, was renamed G-1.
- USS Seal (SS-183), a Salmon-class submarine that served before and during the early years of World War II.
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.