Last name ธรรมเชษฐ์ (ธรรมเชษฐ์ 
, Thammachet ) , in the entire world, is an extremely rare family name. The surname ธรรมเชษฐ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Predominantly, ธรรมเชษฐ์ is the forename as well as the last name.