Iliev Glacier (Bulgarian: Илиев ледник, ‘Iliev Lednik’ \ i-'li-ev 'led-nik\) is the 5 km long and 1.5 km wide glacier located within the Lassus Mountains, situated in the northern portion of Alexander Island, Antarctica, draining the northwestern slopes of Mount Wilbye to flow into Lazarev Bay north of Vittoria Buttress.