Admiral Mark Edward Frederic Kerr CB CVO (26 September 1864 – 10 January 1944) was a Royal Navy and Royal Air Force officer during the First World War. Kerr was the Commander-in-Chief of the Royal Hellenic Navy in the early part of the First World War, Commander-in-Chief of the British Adriatic Squadron in 1916 and 1917 and was involved in the work to create the Royal Air Force in late 1917 and early 1918.