Cognomen Yokyong (Yokyong 
) , around the world, is a rare family name. The surname Yokyong is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
Surin, Songwuth, Kawisara, Pakaporn, Pimporanee, Duangjai, Thanidsorn, Nathakon, Nattawan, Ornanong, Suchanun, Warinyada, Supawadee, Supharada, Sudthirak, Kotchapan, Krongkaew, Pimchanok, Rungthiwa, Vipavadee, Natthakorn, Utumporn, Pattaraphan, Umaporn, Jakpong, Rapee, Sunida, Somsri, Aimnika, Aweesri, Sarunya, Saharad, Suwaree, Suchiaw, Nonglux, Adipong, Kannapa, Kanokon, Kingkan, Parinya, Patrada, Piyawich, Phunika, Rattana, Janamon, Kanamon, and Rattanaphorn