Surname ปัทมโรจน์ (ปัทมโรจน์ 
, Pattamaroj ) , around the world, is a rare cognomen. The family name ปัทมโรจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, ปัทมโรจน์ is the forename as well as the last name.