Cognomen Phattraphan (Phattraphan 
) , all around the world, is an extremely rare last name. The surname Phattraphan is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, Phattraphan is the forename as well as the last name.
Bunnag, Ruamjit, Raksawin, and Pattaranit