Family name Xaythavy (Xaythavy 
) , all around the world, is a rare surname. The surname Xaythavy is habitual in South-eastern Asia, particularly Laos, where it is quite a rare surname. More frequently, Xaythavy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Xaythavy | Laos |