| Blagun Glacier | |
| Map: | Antarctica |
| Mark: | Blue_pog.svg |
| Location: | Graham Land |
| Coordinates: | -66.85°N -66.0556°W |
| Length: | 7nmi |
| Width: | 1nmi |
| Thickness: | unknown |
| Terminus: | Wilkinson Glacier |
| Status: | unknown |
Blagun Glacier (Bulgarian: ледник Благун|lednik Blagun, in Bulgarian pronounced as /ˈlɛdniɡ bɫɐˈɡun/) is the 13 km long and 2.3 km wide glacier on Pernik Peninsula, Loubet Coast in Graham Land, Antarctica, situated southwest of Dolie Glacier and northeast of Peyna Glacier. It flows northwestwards between Lane Ridge and Hodge Ridge, and joins Wilkinson Glacier.
The glacier is named after the settlement of Blagun in Southern Bulgaria.
Blagun Glacier is centred at -66.85°N -66.0556°W. British mapping in 1976.