Ponor Saddle (Bulgarian: седловина Понор, ‘Sedlovina Ponor’ \se-dlo-vi-'na po-'nor\) is the 1.6 km long ice-covered flat saddle of elevation 2340 m linking Mount Allen and Mount Liptak in southern Sentinel Range, Ellsworth Mountains of Antarctica. It is part of the glacial divide between Bolgrad Glacier and Kornicker Glacier.

The feature is named after the settlement of Ponor in western Bulgaria.

The midpoint of Ponor Saddle is located at 78°43′00″S 84°58′00″W / 78.71667°S 84.96667°W / -78.71667; -84.96667, which is 1.44 km north of Mount Liptak, 4 km east-southeast of Krusha Peak, and 2.38 km south-southeast of Mount Allen, according to US mapping in 1988.

• Vinson Massif. Scale 1:250000 topographic map. Reston, Virginia: US Geological Survey, 1988.

• Ponor Saddle. SCAR Composite Antarctic Gazetteer.
• Bulgarian Antarctic Gazetteer. Antarctic Place-names Commission. (details in Bulgarian, basic data in English)

• Ponor Saddle. Copernix satellite image

This article includes information from the Antarctic Place-names Commission of Bulgaria which is used with permission.