Blenika Peak (, ) is the sharp rocky peak rising to just east of the main crest of northern Sentinel Range in Ellsworth Mountains, Antarctica. It surmounts Zhenda Glacier to the southeast and Skaklya Glacier to the north.
The peak is named after the settlement of Blenika in Southern Bulgaria.
Blenika Peak is located at , which is northeast of Mount Barden, south-southeast of Mount Reimer, and southwest of Mount Lanning in Sostra Heights. US mapping in 1961.