Last name Kasemchai (Kasemchai 
) , in the world, is an extremely rare surname. The surname Kasemchai is habitual in South-eastern Asia, particularly Singapore, where it is a rare surname. More prevalently, Kasemchai is the forename as well as the last name.
Putaen, Tungnak, Srithong, Phokasem, Phadungsetthakit, and Wattanasirichaikul