Cognomen วันยงค์ (วันยงค์ 
) , around the globe, is an extremely rare surname. The surname วันยงค์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, วันยงค์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| วันยงค์ | Thailand |