Family name Phayakkha (Phayakkha 
) , in all the world, is a very rare cognomen. The cognomen Phayakkha is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
Sumali, Sumall, Sombun, Panatda, Damnern, Jaruwan, Sawitree, Phannipha, Phraratworayan, Suvannarat, and Natthapong