Viskyar Ridge (’rid vis-’kyar) is a rocky ridge rising to 600 m and extending 2.5 km in north-south direction in Breznik Heights, Greenwich Island in the South Shetland Islands, Antarctica.

The ice-free surface area of the ridge is 135 hectares (330 acres).

The feature is named after Viskyar Mountain in western Bulgaria.

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

This Greenwich Island location article is a stub.