Cognomen Kwanpetch (Kwanpetch 
) , around the world, is a very rare family name. The family name Kwanpetch is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Kwanpetch is the forename as well as the last name.
Kampol, Juntra, Kulyada, Pinyada, Suwanlee, Kullapas, Titichai, Waroonrat, Ratchapong, and Watcharapol