Last name ดำรงรักษ์ธรรม (ดำรงรักษ์ธรรม, Durnrongraktam 
, Damrongraktham) , all around the world, is an extremely rare family name. The family name ดำรงรักษ์ธรรม is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.