Family name Laosin (Laosin 
) , across the world, is a very rare last name. The family name Laosin is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname, and Philippines, where it is an extremely rare surname. Much less frequently, Laosin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Laosin | Thailand, Philippines |