Family name บุญวิโรจน์ (บุญวิโรจน์ 
, Bunvirot , Bunwirot ) , around the globe, is a very rare last name. The family name บุญวิโรจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, บุญวิโรจน์ is the forename as well as the last name.