Cognomen Jongchai (Jongchai 
) , around the globe, is an extremely rare surname. The surname Jongchai is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Predominantly, Jongchai is the forename as well as the last name.
Kim, Meebunma, Polsukcharoen, Phakdee, Ploylek, Tinlapat, Sukitvannee, Chingskol, Kosolmaetee, Janehutthakarnkij, Wongsaithong, Kaewkhampholkul, and Hiranwattanasin