Cognomen ชลรักษ์ (ชลรักษ์ 
, Chalrak 
, Cholrak 
) , in all the world, is an extremely rare surname. The surname ชลรักษ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, ชลรักษ์ is the forename as well as the last name.