Family name Hortiwakul (Hortiwakul 
) , all around the world, is a very rare cognomen. The surname Hortiwakul is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Hortiwakul | Thailand |
Rachapol, Chaiyakrit, and Thanaporn