Cognomen Dzhao (Джао 
, Dzhao 
) , all over the world, is a rare last name. The family name Dzhao is habitual in Bulgaria, where it is a rare surname, Armenia, and Kyrgyzstan, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Russia, Bulgaria, and Armenia. Very seldom, Dzhao is the forename as well as the last name.