Cognomen รัตตกาล (รัตตกาล , Rattakal , Rattahakan) , across the world, is an extremely rare last name. Predominantly, รัตตกาล is the forename as well as the last name.
Rattakarm
ธงอาษา, and สุวรรณ์
, Rattakal 
, Rattahakan) , across the world, is an extremely rare last name. Predominantly, รัตตกาล is the forename as well as the last name.