Traub Glacier is a glacier on Greenwich Island in the South Shetland Islands, Antarctica extending 2.5 km in northwest-southeast direction and 4 km in southwest-northeast direction and draining the east slopes of Dryanovo Heights to flow eastwards into Discovery Bay.
The feature was named by the 1947 Chilean Antarctic Expedition after Lieutenant Norberto Traub, a member of the expedition.
The glacier is centred at 62°28′31″S 59°48′00″W / 62.47528°S 59.80000°W (Bulgarian mapping in 2005 and 2009).