Cognomen เจิน (Jhen 
, Choen 
, เจิน 
) , in the world, is quite a rare last name. The last name เจิน is habitual in Western Asia, particularly Qatar, where it is quite a rare surname, United Arab Emirates, and Bahrain, where it is a rare surname. Not in comparison with a country's population, the name is most common in Indonesia, Japan, and South Korea. More prevalently, เจิน is the forename as well as the last name.