Cognomen Khuntiviriyakul (Khuntiviriyakul 
) , in all the world, is a rare family name. The last name Khuntiviriyakul is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
Irada, Narong, Chirarut, Napassorn, Thanyaluck, Pornpitcha, and Suphitchaya