Tirigan (fl. late 3rd millennium BCE, , ti-ri₂-ga-a-an) was the 19th and last Gutian ruler in Sumer mentioned on the "Sumerian King List" (SKL). According to the SKL: Tirigan was the successor of Si'um. Tirigan ruled for 40 days before being defeated by Utu-hengal of Uruk, c. 2050 BC.'Tirigan' Encyclopædia BritannicaThe Electronic Text Corpus of Sumerian Literature, Faculty of Oriental Studies, University of Oxford
