CZO
CZO stands for:
- Chistochina Airport (IATA code), Chistochina , Valdez-Cordova Census Area , Alaska
- chránené zemepisné označenie , Slovak for Protected Geographical Indication
- chráněné zeměpisné označeni , Czech for Protected Geographical Indication
czo stands for:
- Min Zhong (ISO-639-3 code), one of the Min languages
