Family name บุญญาโรจน์ (บุญญาโรจน์ 
, Boonyaroj ) , in the world, is a rare last name. The surname บุญญาโรจน์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, บุญญาโรจน์ is the forename as well as the last name.