Family name Sanguanchai (Sanguanchai 
) , across the world, is an extremely rare surname. The cognomen Sanguanchai is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, Sanguanchai is the forename as well as the last name.
Chiensinlapadamrong, Luanratanakorn, Nantachan, Suravattanagul, Suravattangul, and Chongwattanapaisal