Admiral Sir John Ommanney Hopkins GCB (13 July 1834 – 29 September 1916) was a Royal Navy officer who went on to be Commander-in-Chief, Mediterranean Fleet.
1848 Joined the Royal Navy.
1867 Promoted to Captain.
1880 Commander of HMS Excellent at the Gunnery School at Portsmouth.
1883 Captain-superintendent of Sheerness Dockyard and then Director of Heavy Ordnance.
1886 Became Admiral-superintendent of Portsmouth Dockyard.
1888 Became Third Naval Lord and Controller of the Navy.