USS Coronet (SP-194) was an armed motorboat that served in the United States Navy as a patrol vessel from 1917 to 1919.

Coronet was built as a civilian motorboat in 1905 at Morris Heights, New York.

The U.S. Navy acquired her on 20 July 1917 for use as a patrol boat during World War I.

Coronet was assigned to the 3rd Naval District, where she performed patrol duty for the remainder of World War I.

On 5 August 1919, Coronet was stricken from the Navy Directory and sold.