Chief of Naval Operations

Chief of Naval Operations may refer to:
* Chief of Naval Operations (Haven), the uniformed commander of the (People's) Republic of Haven Navy.
* Chief of Naval Operations (SLN), the uniformed commander of the Solarian League Navy.
* Chief of Naval Operations (Mannerheim), the uniformed commander of the Mannerheim System-Defense.
* Chief of Naval Operations (Beowulf), the uniformed commander of the Beowulf System-Defense.