Cognomen ขันธกาญจน์ (ขันธกาญจน์ 
) , in all the world, is an extremely rare last name. The family name ขันธกาญจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, ขันธกาญจน์ is the forename as well as the last name.