Jevstatije I was a prominent Eastern Orthodox prelate who served as the sixth Serbian archbishop from 1279 until his death in 1286. Originally from the Budimlje region near Berane, he entered monastic life in Zeta and eventually rose to lead the Hilandar monastery as its abbot. Before ascending to the archbishopric, he held the position of the fourth Bishop of Zeta, establishing a significant ecclesiastical career within the Serbian Church.