Last name Lueanlatthavongsy (Lueanlatthavongsy 
) , throughout the world, is a rare family name. The cognomen Lueanlatthavongsy is habitual in South-eastern Asia, particularly Laos, where it is quite a rare surname, and Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Lueanlatthavongsy | Laos, Thailand |