Surname Кёко (Kyoko 
, Кёко 
, Kjoko 
) , all around the world, is quite a rare cognomen. The family name Кёко is characteristic of Japan, where it is a rare surname, Singapore, and Indonesia, where it is a very rare surname. In absolute terms, it most frequently occurs in Japan, China, and Indonesia. More prevalently, Кёко is the forename as well as the last name.