Globally, ลัดดาวงศ์ (ลัดดาวงศ์ 
, Latdawong 
, Laddavong ) is a very rare female forename. The forename ลัดดาวงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare female name. Much more frequently, ลัดดาวงศ์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Luddawong, ลัดดาวงศ์ | Thailand |
| Latdawong | United States, Thailand |
| Laddavong | United States |
Laddawong, and Laddawongse