Surname Kantachat (Kantachat 
) , worldwide, is a very rare family name. The last name Kantachat is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, Kantachat is the forename as well as the last name.
Loy, Santithanon, Seehawong, Wiangluang, Homkhajorn, Tonweerachaiskul, Pangngoen, Boodthod, Boonthod, Chuchuai, Wianglu, Onprachoo, Kuliskul, Seeglam, Uninta, Ophang, Noitem, Tudchue, Sonjai, Sunday, Chavanaviraj, and Kaewkamhaeng