Rozhen Peninsula (Bulgarian: полуостров Рожен, romanized: poluostrov Rozhen, IPA: [poɫuˈɔstrof ˈrɔʒɛn]) extends 9 km in the southwest direction towards Barnard Point, Livingston Island in the South Shetland Islands, Antarctica, and 8.8 km wide. It is bounded by False Bay and its segment Inept Cove to the west, Bransfield Strait to the southeast and Brunow Bay to the east. Its interior is occupied by the Friesland Ridge of Tangra Mountains.
The peninsula is named after Rozhen site in Pirin Mountain, Bulgaria.