Two ships of the United States Navy have been named USS McCook for Commander Roderick S. McCook (1839 – 1886).
- USS McCook (DD-252), was a Clemson-class destroyer, commissioned in 1919 and transferred to the Royal Navy as HMS St. Croix.
- USS McCook (DD-496), was a Gleaves-class destroyer, commissioned in 1943 and decommissioned in 1949
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.