Cognomen きょうこ (Kyoko 
, きょうこ) , around the globe, is quite a rare surname. The last name きょうこ is habitual in Japan, where it is a rare surname, Singapore, and Indonesia, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Japan, China, and Indonesia. More frequently, きょうこ is the forename as well as the last name.