Last name รุจิศรัณย์ (รุจิศรัณย์ 
) , all around the world, is a very rare cognomen. The family name รุจิศรัณย์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, รุจิศรัณย์ is the forename as well as the last name.