List of active Royal Navy ships

The Royal Navy is the principal naval warfare service branch of the British Armed Forces.

Non-commissioned Sea-class workboats, procured under Project Vahana, are operated by the Royal Navy in various support, survey and training roles, replacing previous P1000 Class Picket Boat vessels.

[5] Madfox and other experimental vessels, including XV Patrick Blackett and APAC-24 (a crewless Pacific 24 rigid-hulled inflatable boat), are operated by NavyX, a unit of the Royal Navy dedicated to developing, testing and accelerating the use of new high technologies.

As a supporting contingent of His Majesty's Naval Service, the civilian Marine Services operate nearly 100 auxiliary ships (including coastal logistics, tugs and research vessels) in support of Royal Navy and Royal Fleet Auxiliary operations.

Additionally, the United Kingdom maintains a Joint Logistics Support Base in Duqm, Oman.