Cognomen Lekrungsin (Lekrungsin 
) , in the world, is a very rare family name. The surname Lekrungsin is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Lekrungsin | Thailand |
Kisada, Natanan, Nuttanan, Nuttanun, and Napatsanan