Surname Ratchaniporn (รัชนีพร 
, รัชนีภรณ์ , Ratchaniporn ) , in the entire world, is a very rare last name. The last name Ratchaniporn is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much more prevalently, Ratchaniporn is the forename as well as the last name.