Family name กัลยาณวุฒิ (กัลยาณวุฒิ 
, Kalayanawut ) , in all the world, is a very rare cognomen. The cognomen กัลยาณวุฒิ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, กัลยาณวุฒิ is the forename as well as the last name.