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