Last name ฉลองวงศ์ (ฉลองวงศ์ 
, Chalongwong , Chalongwongse 
) , around the globe, is a rare cognomen. The surname ฉลองวงศ์ is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, ฉลองวงศ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ฉลองวงศ์, Chalongwong, Chalongvong | Thailand |
| Chalongwongse | United States, Thailand |