Surname ห้วยใหญ่ (ห้วยใหญ่, Huayai 
) , around the globe, is a very rare last name. The family name ห้วยใหญ่ is characteristic of Thailand, where it is a very rare surname, and India, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Huayai | India, Thailand |