In the entire world, สว่างวงศ์ธรรม (สว่างวงศ์ธรรม, Sawongwongtham, Sawangwongtham 
) is an extremely rare unknown gender forename. Much more frequently, สว่างวงศ์ธรรม is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sawangwongtham | Thailand |