Family name Kittiprachyakul (Kittiprachyakul 
) , around the world, is a very rare surname. The cognomen Kittiprachyakul is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kittiprachyakul | Thailand |
Soontorn, and Soontreeya