Family name Kleowsampan (Kleowsampan 
) , around the globe, is a very rare surname. The surname Kleowsampan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kleowsampan | Thailand |
Umaporn, Theppitak, Wimolmas, Natthapon, and Pongsakorn