In the world, Tammarat (ธรรมรัตน์ 
, Tammarat ) is quite a common primarily boy's, but scarcely female forename. The given name Tammarat is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare predominantly male, but very infrequently female name. Very seldom, Tammarat is the last name as well as the forename.