Grand admiral

Naval officer ranks
Flag officers
Admiral of the fleet Grand admiral Admiral General admiral Vice admiral Squadron admiral Lieutenant admiral Rear admiral Admiral-superintendent Port admiral Counter admiral Divisional admiral Commodore Flotilla admiral Schout-bij-nacht
Senior officers
Captain Captain at sea Captain of sea and war Flag captain Fleet captain Post-captain Ship-of-the-line captain Commander Frigate captain Corvette captain
Junior officers
Captain lieutenant Lieutenant commander Lieutenant Ship-of-the-line lieutenant Frigate lieutenant Lieutenant junior-grade Sub-lieutenant Corvette lieutenant Ensign Midshipman

Grand admiral is a historic naval rank, the highest rank in the several European navies that used it. It is best known for its use in Germany as Großadmiral. A comparable rank in modern navies is that of admiral of the fleet.