Surname เพย (เพย 
, Phoei 
) , all around the world, is an extremely rare last name. The last name เพย is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, เพย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เพย | Thailand |
| Phoei | India, Thailand |