Katalin is a feminine given name of Hungarian origin, commonly used in Hungary and among Hungarian-speaking communities. The name is derived from the Greek name Aikaterine, which means "pure." Katalin has various forms and diminutives, including Kati and Kata, and is often associated with the feast day of Saint Catherine. In Hungary, Katalin is celebrated on Catherine's Day, which falls on November 25. The name is popular in Hungarian culture and is often linked to various historical figures and literary characters. Katalin is also recognized in other cultures, with variations like Catherine in English and Catarina in Portuguese.