Cognomen Leelertphunchai (Leelertphunchai 
) , all over the world, is a rare family name. The surname Leelertphunchai is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Leelertphunchai | Thailand |
Sunan, Kittiphun, and Jiratchaya