Cognomen Laohataiwaykin (Laohataiwaykin 
) , in the world, is an extremely rare family name. The surname Laohataiwaykin is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Laohataiwaykin | Thailand |
Onnapat, Aitthigorn, and Aitthipat