Chief of the Naval Staff

Chief of the Naval Staff is the formal title for the office of:
 * Chief of the Naval Staff (India), Indian Navy
 * Chief of the Naval Staff (Pakistan), Pakistan Navy
 * Chief of the Naval Staff and Commander of the Royal Canadian Navy, Royal Canadian Navy
 * Chief of Naval Staff (Nigeria), Nigerian Navy
 * Chief of Naval Staff (Bangladesh), Bangladesh Navy

Navies of other countries have similar titles:
 * Chief of Navy (Australia), Royal Australian Navy
 * Chief of Staff of the French Navy (French: Chef d'État-Major de la Marine, CEMM)
 * First Sea Lord, the title for the Chief of the Naval Staff of the Royal Navy
 * Chief of Navy (New Zealand), Royal New Zealand Navy
 * Chief of Naval Operations, United States Navy