Surname บุญศรีรัตน์ (บุญศรีรัตน์ 
, Bunsrirat , Boonsrirat ) , around the world, is a rare family name. The surname บุญศรีรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, บุญศรีรัตน์ is the forename as well as the last name.