Ensign of the Royal Navy
|Member of||Board of Admiralty (1904-1964) Admiralty Board (1964-current)|
A Sea Lord was one of those lords commissioners of the Board of Admiralty having direct charge of naval matters under the First Lord of the Admiralty from 1904 to 1964. They included the First Sea Lord including his deputies the Deputy First Sea Lord, the Second Sea Lord, the Third Sea Lord, Fourth Sea Lord and Fifth Sea Lord. Serving originally as members of the Board of Admiralty then later the Admiralty Board and Navy Board (now of the Ministry of Defence).