The Fleet Commander is a senior Royal Navy post, responsible for the operation, resourcing and training of the ships, submarines and aircraft, and personnel, of the Naval Service. They provides ships, submarines and aircraft ready for operations and is based at Navy Command Headquarters. The British Army equivalent is Commander Land Forces. There is no direct equivalent in the Royal Air Force as leadership of Headquarters Air Command is vested in the Chief of the Air Staff.
The Fleet Commander's purpose is to provide ships, submarines and aircraft ready for any operations that the Government requires.
Post holders have included:
- April-December 2012: Admiral Sir George Zambellas 
- December 2012 - Present: Vice Admiral Philip Jones