Surname ห้วยไผ่ (ห้วยไผ่, Hauypai, Huaiphai 
) , throughout the world, is a very rare last name. The surname ห้วยไผ่ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Huaiphai, Huaypai | Thailand |