''Admiralissimo'' is an informal title for a chief naval officer, usually implying supreme naval command. It does not correspond to any particular rank, probably derives from Italian, and is a naval equivalent of ''generalissimo''.

List of senior naval officers referred to as ''admiralissimo''

*Hayreddin Barbarossa - 15th/16th century Turkish admiral *Albrecht von Wallenstein - admiral of the Baltic Sea *John Jellicoe, 1st Earl Jellicoe - British admiral of the fleet. *Lord Charles Beresford - British 19th/20th century admiral. *Augustin Boué de Lapeyrère - Commander-in-Chief of France's Mediterranean forces *George Dewey - American Admiral of the NavyCHAP 378, "An act creating the office of Admiral of the Navy", United States Congress


{{Highest Military Ranks Category:Naval ranks Category:Five-star officers