Narechen Glacier (Bulgarian: ледник Наречен, romanized: lednik Narechen, IPA: [ˈlɛdnik nɐˈrɛt͡ʃɛn]) is the 9 km long and 11 km wide glacier draining the western slopes of the Lassus Mountains on the northwest coast of Alexander Island in Antarctica. Flowing westwards to enter Lazarev Bay in the Wilkins Sound, Bellingshausen Sea. The glacier is situated south of the southwestern ridge of Mount Wilbye and north of Faulkner Nunatak.
The glacier is named after the settlement and spa resort of Narechen in southern Bulgaria.