Surname Lertwatthanachai (Lertwatthanachai 
) , in the entire world, is a very rare cognomen. The family name Lertwatthanachai is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Lertwatthanachai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lertwatthanachai | Thailand |