Surname Souvannakoummane (Souvannakoummane 
) , worldwide, is a rare last name. The last name Souvannakoummane is habitual in Laos, where it is quite a rare surname, Thailand, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Souvannakoummane | Laos, United States, Thailand |