Surname Kangwalwattanasiri (Kangwalwattanasiri 
) , globally, is a very rare family name. The cognomen Kangwalwattanasiri is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kangwalwattanasiri | Thailand |
Sudarat, Chutidet, Tavanpron, Pitakpong, and Raksanalee