
This is a list of patrol boats of the Royal Navy.

The Archer class is a class of patrol and training vessel in service with the United Kingdom's Royal Navy, commonly referred to as a Fast Training Boat. Most are assigned to University Royal Naval Units, although HMS Tracker and HMS Raider are armed and provide maritime force protection to high value shipping in the Firth of Clyde and are most commonly employed as escorts for submarines transiting to Faslane. Pursuer and Dasher are also armed and provide maritime force protection operating with the Gibraltar Squadron.

The Bird-class patrol vessel was a class of large patrol boat built for the Royal Navy. There were five in total: Kingfisher, Cygnet, Peterel, Sandpiper and Redpole.

The Brave-class fast patrol boats were a class of two gas turbine motor torpedo boats (MTBs) that were the last of their type for the Royal Navy (RN) Coastal Forces division. They formed the basis for a series of simpler boats which were widely built for export.

The Castle class was a class of British offshore patrol vessels of the Royal Navy. Two ships were constructed. Both were transferred to the Bangladesh Navy in 2010. The Bangladesh Navy upgraded them with more weapons and sensors. They are now reclassified as corvettes by the Bangladesh Navy.

HMS Dumbarton Castle (P265) was an offshore patrol vessel of the British Royal Navy. Her main role was the protection of the offshore assets of the United Kingdom, including oil and gas installations and fisheries out to the 200 mile (370 km) limit.
HMS Example is an Archer-class patrol and training vessel of the Royal Navy, based at HMS Calliope in Gateshead, England. Example was originally built for the Royal Naval Auxiliary Service, and was transferred to the Royal Navy when the RNXS disbanded in 1994. On transfer, she retained her name, and became the first ship in the Royal Navy to bear that name.

HMS Explorer is an Archer-class P2000-type patrol and training vessel of the British Royal Navy. The ship is primarily assigned to the Yorkshire Universities Royal Naval Unit (URNU), serving the universities of Hull, Sheffield and Leeds. The ship is based in Kingston-Upon-Hull and mainly operates on the East coast of the UK, particularly in and around the river Humber.

The Harbour Defence Motor Launch (HDML) was a British small motor vessel built during World War II.

USS PCE-830 was a U.S.-built Patrol Craft Escort (PCE) vessel launched on 13 June 1943 by the Pullman-Standard Car Company of Chicago, Illinois. She was transferred to the Royal Navy and given the name HMS Kilchrenan in August 1943. She now operates as the cruise ship MS Brahe.

HMS Li Wo was an auxiliary patrol vessel of the British Royal Navy, which was sunk on 14 February 1942 by Japanese warships as she single-handedly attacked an enemy convoy during the Malayan Campaign.
The picket boat of the Royal Navy, is a twin screw boat in use at Britannia Royal Naval College in Dartmouth primarily to train officer cadets in boat handling and seamanship.

The Peacock class is a class of patrol corvette built for the Royal Navy. Five were constructed, and by 1997 all had been sold to the Irish Naval Service or the Philippine Navy.

The Portuguese-class trawlers of World War II were naval trawlers, built in Portugal for the Royal Navy.
HMS Tiger Bay was a Z-28-class patrol boat operated by the British Royal Navy, previously the Argentine Coast Guard vessel PNA Islas Malvinas (GC-82), which was seized at Port Stanley by the crew of HMS Cardiff on 14 June 1982 following the Argentine surrender during the Falklands War.