Cognomen Phattharamon (Phattharamon 
) , in the entire world, is an extremely rare last name. The surname Phattharamon is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Predominantly, Phattharamon is the forename as well as the last name.
Khawchu, Phanphaeng, Charoenrat, Laksanawong, Phanpheang, Boonleang, Waesawat, Nuipakchong, Thawarin, Suankaew, Suburairat, Sukharin, Sirichai, Muansawad, Thaitad, Chiwaiya, Sermsil, Sankwan, Yafong, Kularb, Wisetwongsa, and Worapongpattana