Family name Lertjindathong (Lertjindathong 
) , globally, is a very rare last name. The cognomen Lertjindathong is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Lertjindathong | Thailand |
Sapanyok, Sansakrit, and Kanchanapa