Family name Katjinakul (Katjinakul 
) , across the world, is a very rare last name. The surname Katjinakul is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Katjinakul | Thailand |
Karn, Paemika, Jirawat, and Pacharapol