Cognomen โพธิ์ธร (โพธิ์ธร 
, Phopathon) , all around the world, is a very rare last name. The family name โพธิ์ธร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, โพธิ์ธร is the forename as well as the last name.