Cognomen Hnusomkaew (Hnusomkaew 
) , across the world, is a very rare surname. The last name Hnusomkaew is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Hnusomkaew | Thailand |
Watusiri, and Thatayapon