Letnitsa Glacier (Bulgarian: ледник Летница, romanized: lednik Letnitsa, IPA: [ˈlɛdnik ˈlɛtnit͡sɐ]) is a 0.9 nautical miles (1.7 km; 1.0 mi) long glacier on Smith Island in the South Shetland Islands, Antarctica draining the southeast slopes of Imeon Range east of Organa Peak and south of Riggs Peak. It is situated southwest of Gramada Glacier and northeast of Kremena Ice Piedmont, and flows southeastward into Hisarya Cove, Osmar Strait. Bulgarian early mapping in 2009. The glacier is named after the town of Letnitsa in northern Bulgaria.

63°03′05″S 62°36′25″W / 63.05139°S 62.60694°W / -63.05139; -62.60694

• Chart of South Shetland including Coronation Island, &c. from the exploration of the sloop Dove in the years 1821 and 1822 by George Powell Commander of the same. Scale ca. 1:200000. London: Laurie, 1822.
• L.L. Ivanov. Antarctica: Livingston Island and Greenwich, Robert, Snow and Smith Islands. Scale 1:120000 topographic map. Troyan: Manfred Wörner Foundation, 2010. ISBN 978-954-92032-9-5 (First edition 2009. ISBN 978-954-92032-6-4)
• South Shetland Islands: Smith and Low Islands. Scale 1:150000 topographic map No. 13677. British Antarctic Survey, 2009.
• Antarctic Digital Database (ADD). Scale 1:250000 topographic map of Antarctica. Scientific Committee on Antarctic Research (SCAR). Since 1993, regularly upgraded and updated.
• L.L. Ivanov. Antarctica: Livingston Island and Smith Island. Scale 1:100000 topographic map. Manfred Wörner Foundation, 2017. ISBN 978-619-90008-3-0

• List of glaciers in the Antarctic
• Glaciology

• Letnitsa Glacier. SCAR Composite Antarctic Gazetteer
• Bulgarian Antarctic Gazetteer. Antarctic Place-names Commission. (details in Bulgarian, basic data in English)

• Letnitsa Glacier. Copernix satellite image

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