Last name กุลพัฒน์ (Kulpat 
, กุลพัฒน์ , Kulphat 
) , around the world, is a rare family name. The last name กุลพัฒน์ is habitual in Thailand, where it is a rare surname, India, where it is an extremely rare surname, and the United States. More prevalently, กุลพัฒน์ is the forename as well as the last name.