Family name โสมรัตน์ (Somrat 
, Somarat , โสมรัตน์ ) , all around the world, is quite a common cognomen. The cognomen โสมรัตน์ is habitual in Bangladesh, where it is quite a rare surname, Oman, and Qatar. Not in comparison with a country's population, the name is most common in Bangladesh, Thailand, and Saudi Arabia. Also, โสมรัตน์ is the forename as well as the last name.