Cognomen ตะวันรัตน์ (Tawrat 
, Tawarat 
, ตะวันรัตน์ ) , all over the world, is a rare last name. The surname ตะวันรัตน์ is characteristic of Thailand, where it is a very rare surname, Bangladesh, and Morocco. Not in comparison with a country's population, this name is the most popular in Bangladesh, Thailand, and Myanmar. Likewise, ตะวันรัตน์ is the forename as well as the last name.