Cognomen 郑庆 (郑庆 
) , in the entire world, is a very rare surname. The last name 郑庆 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, 郑庆 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 郑庆 | China |