Family name Krutthai (Krutthai ) , globally, is a rare last name. The cognomen Krutthai is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
Anothai, Kanthip, Komkrit, Kittiya, Panutda, Wanvisa, Sanyalak, Sureerut, Supareak, Pakkabhorn, Poonapat, Pookamol, Nataporn, Nuttawut, Tossaporn, and Chalitpong
) , globally, is a rare last name. The cognomen Krutthai is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.