Family name Joken (Joken 
, Жокен 
, Синобу 
) , around the globe, is quite a rare cognomen. The last name Joken is characteristic of Japan, where it is quite a rare surname, Kyrgyzstan, where it is a rare surname, and Greece, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Japan, Kyrgyzstan, and Nigeria. Also, Joken is the forename as well as the last name.