A gunboat is a naval watercraft designed for the express purpose of carrying one or more guns to bombard coastal targets, as opposed to those military craft designed for naval warfare, or for ferrying troops or supplies.
The second USS Sacramento (PG-19) was a gunboat in the United States Navy.
USS Welborn C. Wood (DD-195) was a Clemson-class destroyer in the United States Navy during World War II. She served with the United States Coast Guard as USCGD Wood. She was later transferred to the Royal Navy as HMS Chesterfield.
USS Wilderness was a wooden-hulled, side-wheel steamship in the United States Navy during the American Civil War. After the war, she served as a revenue cutter. In 1873, she was renamed John A. Dix for former Secretary of the Treasury John Adams Dix.
USCGC Onondaga (WPG-79), a United States Coast Guard cutter, was built by Defoe Boat Works in Bay City, Michigan, commissioned on 11 September 1934. From her commissioning until 1941, Onondaga was stationed at Astoria, Oregon, where she performed important law enforcement duties and rendered much assistance to ships in distress. Each year she patrolled the annual pelagic seal migration to the Pribilof Islands, and she attempted to prevent out of season halibut fishing.
HNoMS Hitra is a Royal Norwegian Navy submarine chaser that saw action during World War II. She is named after the Norwegian island of Hitra.
The first USS Mindanao (PR‑8) was a river gunboat in the service of the United States Navy before and during World War II.
USS PGM-17 was a PGM-9-class motor gunboat built for the United States Navy during World War II. She was laid down and launched as USS PC-1189, a PC-461-class submarine chaser, but was renamed and reclassified before her November 1944 commissioning. She ran aground near Okinawa in May 1945. She was salvaged a month later, but was never repaired. She was towed to deep water and sunk in October 1945.
USS PGM-1 was a PGM-1 class motor gunboat that served in the United States Navy during World War II.
USS PGM-4 was a PGM-1 class motor gunboat that served in the United States Navy during World War II. She was originally laid down as an SC-497 class submarine chaser on 11 April 1942 by the Wilmington Boat Works, Inc. in Wilmington, California and launched on 7 September 1942. She was commissioned as USS SC-1053 on 17 March 1943. She was later converted to a PGM-1 class motor gunboat and renamed PGM-4 on 10 December 1943. After the war she was transferred to the Foreign Liquidations Commission on 9 June 1947. Her exact fate is unknown.
USS PGM-5 was a PGM-1 class motor gunboat that served in the United States Navy during World War II. She was originally laid down as an SC-497 class submarine chaser on 14 May 1942 by the Wilmington Boat Works in Wilmington, California and launched on 2 November 1942. She was commissioned as USS SC-1056 on 15 June 1943. She was later converted to a PGM-1 class motor gunboat and renamed PGM-5 on 10 December 1943. After the war she was transferred to the Foreign Liquidations Commission on 7 May 1947. Her exact fate is unknown.
USS SC-497 was a SC-497 class submarine chaser that served in the United States Navy and later the Free French Navy during World War II. She was originally laid down as PC-497 on 29 November 1941 by the Westergard Boat Works in Rockport, Texas, and launched on 4 July 1941. She was commissioned as USS PC-497 on 16 October 1942. She was later reclassified as a SC-497 class submarine chaser and renamed SC-497. She was transferred to the Free French Navy as part of the Lend-Lease program on 18 March 1944 as CH-96. The transfer was made permanent on 15 August 1944. She was renamed CH-724 in 1952 and later P-724 before being withdrawn from service on 23 October 1980. Her exact fate is unknown.
USS SC-498 was a SC-497 class submarine chaser that served in the United States Navy, and later the Free French Navy, during World War II.
USS SC-500 was a United States Navy SC-497-class submarine chaser in commission from 1942 to 1945 during World War II. She later served in the Soviet Navy as BO-319.
USS SC-501 was a SC-497 class submarine chaser that served in the United States Coast Guard and later the United States Navy during World War II. She was originally laid down as PC-501 on 29 April 1941 by the Seabrook Yacht Corporation in Houston, Texas, and launched on 24 January 1942. She was reclassified SC-501 on 8 April 1943, and acquired from the Coast Guard on 9 April 1943. She was reclassified as Unclassified Miscellaneous Vessel IX-100 on 21 April 1943 and named Racer on 3 May 1943. She was in service from 27 May 1943 to 21 May 1946. She was struck from the Navy Register on 5 June 1946 and sold to the private market on 20 December 1946.
USS Might (PG-94) was laid down as Canadian corvette CN-312 by Morton Engineering and Drydock Co., Ltd., Quebec, Canada, on 28 November 1941 and launched as HMS Musk on 15 July 1942. The ship was transferred to the United States Navy on 20 July 1942, renamed Might on 14 August 1942, and commissioned at Quebec on 22 December 1942, Lieutenant Commander J. K. Hartley in command.
USS Pert (PG-95), the second United States Navy ship of that name, was one of eight Canadian-built corvettes turned over to the U.S. Navy for operation by the United States Coast Guard. She was laid down by Morton Engineering and Dry Dock Co., Ltd., Quebec, Canada, 22 July 1942; launched 27 November 1942; and commissioned at Quebec 23 July 1943, Lieutenant A. L. Cunningham, USCG, in command.
MV Cape Pine is a charter boat operated by the Maritime Heritage Society of Vancouver. She began life as USS SC-715, a SC-497-class submarine chaser of the United States Navy. She was later transferred to the United States Coast Guard and served under the name USCGC Air Killdeer. Finally sold into mercantile service, as the Cape Pine, she worked as a high-endurance fish packer in the fisheries of the Canadian coast, and was then sold to the Maritime Heritage Society of Vancouver.
HMS Veronica was a Flower-class corvette, built for the Royal Navy during the Second World War, and was in service in the Battle of the Atlantic. In 1942 she was transferred to the United States Navy as part of the reverse Lend Lease arrangement and renamed USS Temptress, the name ship of the Temptress-class gunboats. With the end of hostilities she was returned to the Royal Navy and sold into mercantile service.
The USS YP-73 (ex-Corsair) was a converted fishing vessel which served as an auxiliary patrol boat in the U.S. Navy during World War II.
United States 
