Family name Lertsin (Lertsin 
) , all over the world, is a very rare surname. The surname Lertsin is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, Lertsin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lertsin | United States, Thailand |