Family name Sounthala (Sounthala 
) , in all the world, is quite a rare last name. The surname Sounthala is habitual in Laos, where it is quite a common surname, Thailand, where it is a very rare surname, and the United States. Very seldom, Sounthala is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sounthala | Laos, United States, Thailand, India, Canada |