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