USS Sea Hawk (SP-2365) was an armed motorboat that served in the United States Navy as a patrol vessel from 1917 to 1919. Sea Hawk was built in 1917 by Herreshoff Manufacturing Company at Bristol, Rhode Island, as the civilian motorboat Herreshoff No. 319. The U.S. Navy acquired her from Arthur Winslow of Boston, Massachusetts, on 20 October 1917 for World War I service as a patrol boat. She was commissioned as USS Sea Hawk (SP-2365) in December 1917.