USS Proteus has been the name of several ships in the United States Navy.
- USS Proteus (1863), a Civil War steamer that was purchased in 1864
- USS Proteus (AC-9), the lead ship of the Proteus class colliers
- USS Proteus (AS-19), a Fulton class submarine tender
| 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. |