Cognomen โพธิศักดิ์ (โพธิศักดิ์ 
) , in all the world, is an extremely rare surname. The cognomen โพธิศักดิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Likewise, โพธิศักดิ์ is the forename as well as the last name.