Family name ห้วยหงษ์ทอง (ห้วยหงษ์ทอง, Huaihongthong 
, Huayhongthong 
) , globally, is a rare surname. The last name ห้วยหงษ์ทอง is habitual in Thailand, where it is a rare surname, Singapore, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Huaihongthong | United States, Thailand |
| Huayhongthong | Singapore, Thailand |