Surname วังแสง (Wansang 
, Wangsang 
, วังแสง ) , globally, is a rare last name. The cognomen วังแสง is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Likewise, วังแสง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wansang | Thailand, South Korea, India, United States |
| Wangsang | Thailand, India, South Africa, United States |
| วังแสง, Wangsaeng | Thailand |