Admiral of the Fleet Sir George Rose Sartorius GCB (9 August 1790 – 13 April 1885) was an officer of the British Royal Navy. After serving as a junior officer during the Napoleonic Wars, he was present, as a post-captain, at the surrender of Napoleon Bonaparte to Captain Frederick Maitland of Bellerophon at Rochefort. He later commanded the navy of Dom Pedro in the Portuguese Civil Wars. Dom Pedro was attempting to defeat his brother Dom Miguel, who had usurped the throne of Portugal, and to install Pedro's daughter as the rightful queen, Dona Maria II.