Cognomen บุญสมใจ (บุญสมใจ 
, Boonsumjai ) , across the world, is an extremely rare surname. The last name บุญสมใจ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, บุญสมใจ is the forename as well as the last name.
เจริญราษฎร์, and สวัสดิ์พานิช