Family name Kumsanit (Kumsanit 
) , in the entire world, is a very rare last name. The cognomen Kumsanit is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
Satta, Sukunya, Rungrat, Ungkana, Buakhieo, Kanjarat, Chatrawadee, Punyachai, Tawatchai, Natthawat, Premruedee, and Hathaichanok