Razboyna Glacier (Bulgarian: ледник Разбойна, romanized: lednik Razboyna, IPA: [ˈlɛdnik razˈbɔjnɐ]) is the 3 nautical miles (5.6 km; 3.5 mi) long and 1 nautical mile (1.9 km; 1.2 mi) wide glacier in Petvar Heights on the southeast side of Sentinel Range in Ellsworth Mountains, Antarctica situated north of Drama Glacier, east of Kornicker Glacier, and south of the lower course of Thomas Glacier.

It is draining the north slopes of Bagra Peak, and flowing northeastwards to leave the range north of Long Peak.

The feature is named after the settlements of Razboyna in northeastern and southeastern Bulgaria.

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

This article about a glacier in Ellsworth Land is a stub.