Family name Sayapheth (Sayapheth 
) , around the world, is a very rare surname. The surname Sayapheth is habitual in Laos, where it is quite a rare surname, Canada, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Sayapheth is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sayapheth | United States, Canada, Laos |