Cognomen Юдонг (Yudong 
, Judong 
, Iudong ) , throughout the world, is a rare surname. The last name Юдонг is characteristic of Belgium, where it is a rare surname, China, where it is a very rare surname, and Malaysia. Measured by absolute frequency, this name is the most popular in China, Belgium, and the United States. Predominantly, Юдонг is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yudong | China, South Korea, Australia, Taiwan, United States |
| Judong | China, Belgium, South Korea, United States, France |
| Iudong | China |
| Юдонг | Russia |