Regianum Peak (Bulgarian: връх Регианум, romanized: vrah Regianum, IPA: [ˈvrɤx rɛɡiˈanom]) is the mostly ice-covered peak of elevation 855 m[1] in the northeast part of Stribog Mountains on Brabant Island in the Palmer Archipelago, Antarctica. It surmounts Paré Glacier to the north and Laënnec Glacier to the south, and has its northern foothills connected to Stavertsi Ridge to the northeast by Viamata Saddle.
The peak is named after the ancient Roman fortress of Regianum in Northwestern Bulgaria.