Cognomen มงคลรักษ์ (มงคลรักษ์ 
, Mongkolrak ) , in all the world, is an extremely rare family name. The family name มงคลรักษ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, มงคลรักษ์ is the forename as well as the last name.