Omurtag Pass (Omurtagov Prohod \o-mur-'ta-gov 'pro-hod\) is a 720 m high pass between Mount Bowles and Ticha Peak in Bowles Ridge, Livingston Island in the South Shetland Islands, Antarctica and is part of an overland route between the Wörner Gap area and upper Kaliakra Glacier. The pass is named after Khan Omurtag of Bulgaria, 814-831 AD.
First crossed by Lyubomir Ivanov and Doychin Vasilev from Camp Academia on 24 December 2004.
The pass is located at which is 3.87 km northeast of Orpheus Gate, 3.97 km east of Rezen Saddle, 5.16 km south of Elhovo Gap, 3.25 km west of Pirdop Gate, 4.09 km northwest of Lozen Saddle and 5.86 km northwest of Catalunyan Saddle (Bulgarian topographic survey Tangra 2004/05, and mapping in 2005 and 2009).