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

USS Coronet in an icy port sometime between 1917 and 1919.
History
United States
Name	USS Coronet
Namesake	Previous name retained
Completed	1905
Acquired	20 July 1917
Commissioned	24 September 1917
Stricken	5 August 1919
Fate	Sold 5 August 1919
Notes	Operated as private motorboat Coronet 1905–1917
General characteristics
Type	Patrol vessel
Length	90 ft (27 m)
Beam	14 ft (4.3 m)
Draft	4 ft 1 in (1.24 m)
Speed	13 knots
Complement	12
Armament	1 × 3-pounder gun

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. She was commissioned on 24 September 1917 as USS Coronet (SP-194).

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.