Admiral of the Fleet Sir Charles Ogle, 2nd Baronet was a Royal Navy officer. As a junior officer, he saw action leading storming parties at the capture of Martinique and at the capture of Guadeloupe during the French Revolutionary Wars. He also took part in the landings in Egypt in the later stages of the French Revolutionary Wars.

Admiral of the Fleet is a five-star naval officer rank and the highest rank of the Royal Navy, formally established in 1688. The five-star NATO rank code is OF-10, equivalent to a field marshal in the British Army or a Marshal of the Royal Air Force. Apart from honorary appointments, no new admirals of the fleet have been named since 1995, and no honorary appointments have been made since 2014.