Zagreus Ridge (Bulgarian: хребет Загрей, ‘Hrebet Zagrey’ \'hre-bet za-'grey\) is the partly ice-free ridge extending 10 km and 3.8 km wide, rising to 1061 m (Marchaevo Peak) on Oscar II Coast in Graham Land. It descends from Forbidden Plateau southeastwards between Hektoria Glacier and Paspal Glacier. The feature is named after the Thracian god Zagreus.
Zagreus Ridge is centred at -64.8806°N -61.8167°W. British mapping in 1978.