Surname โพธิ์สิทธิ์ (โพธิ์สิทธิ์ 
, Phosit ) , in the world, is a rare cognomen. The cognomen โพธิ์สิทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, โพธิ์สิทธิ์ is the forename as well as the last name.