Surname Nouanesengsy (Nouanesengsy 
) , in the world, is a rare last name. The surname Nouanesengsy is habitual in Laos, where it is a rare surname, the United States, where it is a very rare surname, and France, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Nouanesengsy | Laos, United States, France, Canada |