USS Keywadin may refer to:
- USS Keywadin (1869), was a monitor ironclad steamer originally named Kickapoo; then renamed Cyclops from 15 June to 10 August 1869, and then to Kewaydin
- USS Keywadin (ATA-213), was a tugboat, commissioned on 1 June 1945, served in World War II and sunk as a target in 2001
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.