Surname Chumsai Na Ayudhaya (Chumsai Na Ayudhaya 
) , around the globe, is a very rare family name. The cognomen Chumsai Na Ayudhaya is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Rachen, Panawat, Phenvadee, Ronpajong, and Issaraphong