Family name Chaiyarad (Chaiyarad 
) , all over the world, is a rare cognomen. The surname Chaiyarad is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname, and Thailand, where it is a very rare surname.
Prasad, Suprase, Pennapa, Jutiporn, Worawan, Satsanaporn, and Pariyaporn