Last name 元臣 (元臣 
, Yuanchen 
) , throughout the world, is a rare family name. The surname 元臣 is characteristic of Taiwan, where it is quite a rare surname, China, where it is a very rare surname, and Thailand, where it is an extremely rare surname. In absolute terms, it most frequently occurs in Taiwan, China, and the United States. More frequently, 元臣 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 元臣 | China |
| Yuanchen | Taiwan, France, Singapore, United States, China |