Cognomen Khemmarat (เขมรัฐ 
, Khemmarat 
) , around the world, is a very rare surname. The cognomen Khemmarat is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. More frequently, Khemmarat is the forename as well as the last name.
Kakam, Jindasri, Thungwong, Nantipin, Hirunyiga, Wannasri, Apisuttipongsakul, Chouichuwattanan, Panichpol, Jitjaicham, Wutthijariyathus, Sangkhapan, Chalermboon, Pratoomrat, Prachachai, Sangrungruang, Anantasawad, Anantasawat, Dejaroenwiroon, Anantasawawat, Phiraban, Piyakiwal, Hawan, Uvutipong, Suchat, Dutjawan, Naanan, Boonsuk, Khammon, Khemwong, Lakkham, Lukkham, Nawamachiti, Sartpreecha, Sichirakun, Chandang, Khlaithong, Kumparat, Klaitong, Piyakiwan, and Thaisomboon