Orcho Glacier (Bulgarian: ледник Орчо, romanized: lednik Orcho, IPA: [ˈlɛdnik ˈɔrt͡ʃo]) is 1.1 nautical miles (2.0 km; 1.3 mi) long and 1 nautical mile (1.9 km; 1.2 mi) wide glacier on the east side of Ravelin Ridge on Clarence Island in the South Shetland Islands, Antarctica situated north of Treskavets Glacier and south-southwest of Banari Glacier. It flows eastwards and enters the Southern Ocean north of Gesha Point.

The glacier is named after the Bulgarian rebel leader Orcho Voyvoda (1829-1911).

Orcho Glacier is centred at 61°12′00″S 54°04′40″W / 61.20000°S 54.07778°W / -61.20000; -54.07778. British mapping in 1972 and 2009.

• List of glaciers in the Antarctic
• Glaciology

• British Antarctic Territory. Scale 1:200000 topographic map. DOS 610 Series, Sheet W 61 54. Directorate of Overseas Surveys, Tolworth, UK, 1972.
• South Shetland Islands: Elephant, Clarence and Gibbs Islands. Scale 1:220000 topographic map. UK Antarctic Place-names Committee, 2009.
• Antarctic Digital Database (ADD). Scale 1:250000 topographic map of Antarctica. Scientific Committee on Antarctic Research (SCAR). Since 1993, regularly upgraded and updated.

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

• Orcho Glacier. Copernix satellite image

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