Family name เจิ่น (Choen 
, เจิ่น) , throughout the world, is quite a rare last name. The cognomen เจิ่น is habitual in South Korea, where it is a rare surname, Denmark, and Israel. In absolute terms, it most frequently occurs in Japan, South Korea, and Indonesia. Also, เจิ่น is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Choen | Japan, Indonesia, South Korea, Malaysia, Taiwan |