Sipey Bluff (, ) is the bluff rising to 2270 m in Veregava Ridge, central Sentinel Range in Ellsworth Mountains, Antarctica. It surmounts Orizari Glacier to the south-southwest, Dater Glacier to the west and north, and Berisad Glacier to the east.
The peak is named after the settlement of Sipey in Southern Bulgaria.
Sipey Bluff is located at , which is 5.26 km north of Mount Waldron, 9.46 km east by north of Mount Segers, 5.71 km south-southeast of Mount Farrell and 4.15 km northwest of Kushla Peak. US mapping in 1961, updated in 1988.