Cognomen Chao-Chen (Chao-Chen 
) , around the world, is a very rare surname. The last name Chao-Chen is characteristic of Canada, where it is an extremely rare surname, China, and the United States. Very seldom, Chao-Chen is the forename as well as the last name. Parts of the name also exists independently as a first name Chao, and a last name Chen.
| VARIANT | COUNTRY |
|---|---|
| Chao-Chen | China, United States, Canada |