Last name ดิลกพัฒน์ (ดิลกพัฒน์ 
, Dilokphat ) , in the entire world, is a very rare family name. The last name ดิลกพัฒน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, ดิลกพัฒน์ is the forename as well as the last name.