Family name Lattanavanh (Lattanavanh 
) , throughout the world, is a rare surname. The family name Lattanavanh is habitual in South-eastern Asia, particularly Laos, where it is quite a rare surname. Likewise, Lattanavanh is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lattanavanh | Laos, United States |