Kandidiana Ridge (, âÂÂRid Kandidianaâ \'rid kan-di-di-'a-na\) is the partly ice-free ridge extending 6 km and 1.1 km wide, rising to 1176 m on the west side of Elgar Uplands in northern Alexander Island, Antarctica. It is crescent-shaped facing north-northwest, and surmounts Nichols Snowfield to the northwest, Delius Glacier to the northeast and Bartók Glacier to the south. The vicinity was visited on 30 January 1988 by the geological survey team of Christo Pimpirev and Borislav Kamenov (First Bulgarian Antarctic Expedition), and Philip Nell and Peter Marquis (British Antarctic Survey).
The feature is named after the ancient Roman fortress of Kandidiana in Northeastern Bulgaria.
The ridge is located at , which is 4.45 km west-northwest of Kozhuh Peak, 12.24 km north-northwest of Mount Pinafore, 18.67 km east of Mount Morley in Lassus Mountains, 15.26 km southeast of Shaw Nunatak and 9 km south of Tegra Nunatak.