Last name คุณอำไพ (คุณอำไพ, Youampai 
, Youmphai 
) , all over the world, is a very rare family name. The family name คุณอำไพ is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Youampai | Thailand |
| Youmphai | United States, Thailand |