Family name Wei-Jen (Wei-Jen 
) , across the world, is a very rare cognomen. The surname Wei-Jen is habitual in Hungary, where it is a rare surname, and China, where it is an extremely rare surname. Predominantly, Wei-Jen is the forename as well as the last name. Parts of the name also exists independently as a last name Wei, and a first name Jen.
| VARIANT | COUNTRY |
|---|---|
| Wei-Jen | United Kingdom, Hungary, United States, Taiwan, China |