Family name รัชตพันธ์ (Ratchataphan 
, รัชตพันธ์ ) , across the world, is a rare surname. The cognomen รัชตพันธ์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, รัชตพันธ์ is the forename as well as the last name.