Cognomen Kwintra (Kwintra 
) , in all the world, is an extremely rare family name. The last name Kwintra is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Kwintra is the forename as well as the last name.
Chuaetoma, Burapaka, Jittivuthikan, Nikonsaen, Teeranachot, and Praphasanobon