KKO may refer to: Korps Komando, a former name of the Indonesian Marine Corps kko, the ISO 639-3 code for Karko language (Sudan) Kinima koinonikis oikologias, an ecosocialist political party in Cyprus korkein oikeus, the court of last resort for cases within the private law of Finland Kuopio livestock sales cooperative, a Finnish food industry company Kaikohe Aerodrome, the IATA code KKO Koblenz Hauptbahnhof, the DS100 code KKO