Cognomen Kasemkulsiri (Kasemkulsiri 
) , throughout the world, is a very rare family name. The surname Kasemkulsiri is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kasemkulsiri | Thailand |
Danai, Jirawan, Apichart, Palaphon, and Pratarnporn