Bizone Rock (Bulgarian: скала Бизоне, ‘Skala Bizone’ \'ska-la bi-'zo-ne\) is the rock off Snow Island in the South Shetland Islands, Antarctica extending 120 m in southeast-northwest direction and 100 m wide. It is the largest and southeasternmost in a group of several rocks extending 1.84 km in southeast-northwest direction and 1 km in a southwest-northeast direction.
The feature is named after the ancient town of Bizone in northeastern Bulgaria.
Bizone Rock is located at 62°43′30″S 61°27′34″W / 62.72500°S 61.45944°W, which is 4.4 km west of Irnik Point and 3.85 km northeast of Byewater Point. British mapping in 1968, and Bulgarian mapping in 2009.
This article includes information from the Antarctic Place-names Commission of Bulgaria which is used with permission.