Admiralissimo

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 Navy
 * Deodoro da Fonseca