Hasan Kuchak or Ḥasan-i Kūchik (Persian: حسن كوچك; c. 1319 – 15 December 1343) was a Chupanid prince during the 14th century. He is credited with setting up a nearly independent Chupanid state in Iran during the struggles taking place in the aftermath of the Ilkhanate. He effectively became kingmaker like his namesake Hasan Buzurg.