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