Surname Khanthawat (คันธวัฒน์ 
, Khanthawat , ขันธวัฒน์ ) , in the world, is a rare last name. The cognomen Khanthawat is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Khanthawat is the forename as well as the last name.
Suwit, Kanchnapha, Saengrawee, Thitiporn, Duangchit, Phannarin, Primprapitch, Kanyaphak, Waraporn, Kriangkrai, Narakorn, Panisara, Wittaya, Thitima, Somboon, Parada, Somnuk, Manita, Likit, Theemaporn, and Hathaiphat