Pirne Peak (Bulgarian: връх Пирне, romanized: vrah Pirne, IPA: [ˈvrɤx pirˈnɛ]) is the rocky peak rising to 802 m[1] on the coast of Vaughan Inlet, at the northeast extremity of Rugate Ridge on Oscar II Coast in Graham Land. It surmounts Green Glacier to the northwest and Musina Glacier to the southwest. The feature is named after the settlement of Pirne in Southeastern Bulgaria.