Family name Phaysone (Phaysone 
) , globally, is a rare surname. The cognomen Phaysone is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname, and Myanmar, where it is a very rare surname. Much less frequently, Phaysone is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phaysone | Laos, Myanmar, United States |