Lozen Nunatak (Lozenski Nunatak \'lo-zen-ski 'nu-na-tak\) is a 440m hill in upper Huron Glacier, Livingston Island. It is part of a minor ridge in the north foothills of Tangra Mountains including also Erma Knoll and Aheloy Nunatak, and linked to Zograf Peak by Lozen Saddle. The hill was first visited on 17 December 2004 by the Bulgarian Lyubomir Ivanov from Camp Academia. It is named after the Lozen Monastery of St. Spas (Holy Saviour) in western Bulgaria.
The nunatak is located at which is 1.55 km southeast of Kuzman Knoll, 1.14 km west-northwest of Ravda Peak and 910 m northeast of Zograf Peak (Bulgarian topographic survey Tangra 2004/05, and mapping in 2005 and 2009).
This article includes information from the Antarctic Place-names Commission of Bulgaria which is used with permission.