Family name ดำรงกิจ (Damrongkit 
, Dumrongkit , ดำรงกิจ) , all around the world, is a rare last name. The last name ดำรงกิจ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, ดำรงกิจ is the forename as well as the last name.