Cognomen Кохеи (Kohei 
, Кохеи 
, Kokhey 
) , throughout the world, is quite a rare last name. The surname Кохеи is characteristic of Japan, where it is a rare surname, Singapore, and Cambodia, 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. Likewise, Кохеи is the forename as well as the last name.