Surname เกศรัตน์ (เกศรัตน์ 
, Ketsarat , Kesrat 
) , in the entire world, is a very rare cognomen. The cognomen เกศรัตน์ is habitual in Thailand, where it is a very rare surname, Nigeria, where it is an extremely rare surname, and India. Also, เกศรัตน์ is the forename as well as the last name.