In the entire world, เธียรธรรม (เธียรธรรม 
, Thienradham ) is a very rare principally boy's, but very infrequently girly forename. The first name เธียรธรรม is habitual in South-eastern Asia, particularly Thailand, where it is a very rare predominantly boy's, but very seldom female name. Very seldom, เธียรธรรม is the last name as well as the forename.