Surname Patomchai (Patomchai 
) , globally, is a very rare family name. The last name Patomchai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, Patomchai is the forename as well as the last name.
Homon, Patitas, Yimkaew, Kaewnaul, Kaewnone, Kaewnual, Kraisalee, Gittimat, Tarasuntisuk, Anantarak, Anukanjanaweera, Weeraphan, and Ratanakarn