Last name สุพรรณพัฒน์ (สุพรรณพัฒน์ 
, Suphanbat 
, Supannapat) , all over the world, is a very rare cognomen. The family name สุพรรณพัฒน์ is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.