Family name Ungarunyawee (Ungarunyawee 
) , across the world, is a very rare surname. The cognomen Ungarunyawee is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ungarunyawee | Thailand |
Rujinan, Rujchai, and Puttaranuch