Family name Inumnuay (Inumnuay 
) , around the globe, is a very rare surname. The last name Inumnuay is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Inumnuay | Thailand |
Anek, Sombat, Pimjutha, Ittipat, and Chatchawarn