Bistra Glacier (Bulgarian: ледник Бистра, ‘Lednik Bistra’ \'led-nik 'bis-tra\) is the 1.75 km long and 750 m wide glacier on the northwest side of Imeon Range on Smith Island in the South Shetland Islands, Antarctica. It is situated southwest of Chuprene Glacier and northwest of Dragoman Glacier, drains the west slopes of Mount Foster and the north slopes of Slaveykov Peak, and flows northwestwards of Zavet Saddle to enter Drake Passage south of Garmen Point.
The glacier is named after the settlements of Bistra in northeastern Bulgaria.
Bistra Glacier is located at 62°59′50″S 62°34′45″W / 62.99722°S 62.57917°WCoordinates: 62°59′50″S 62°34′45″W / 62.99722°S 62.57917°W. Bulgarian mapping in 2009.