Gjin I Muzaka
Gjin I Muzaka (1337–1389) was an Albanian prince of the Muzaka family, a son of Andrea II Muzaka and Euphemia Mataranga. In 1367 the Serbian governor Thomas Preljubović held him prisoner for a time in Ioannina.
When Andrea II died in 1372, his lands were divided among his three sons: Gjin received Tomorniza and the Devoll valleys, and after his brother Stoya died without heirs he also took Kastoria. He married Suina Arianiti and was probably buried at Korçë.