Cognomen Boonyanusat (Boonyanusat 
) , across the world, is a very rare last name. The family name Boonyanusat is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Boonyanusat | Thailand |
Chanathip, Chonnicha, Chonchuen, and Nutthakitta