Cognomen Юкико (Yukiko 
, Юкико 
, Jukiko 
) , all over the world, is a rare family name. The cognomen Юкико is characteristic of Singapore, where it is a rare surname, Japan, and Spain, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in China, Indonesia, and Japan. More frequently, Юкико is the forename as well as the last name.