Peyna Glacier (Bulgarian: ледник Пейна, romanized: lednik Peyna, IPA: [ˈlɛdnik ˈpɛjnɐ]) is the 11.4 km long and 3 km wide glacier on Pernik Peninsula, Loubet Coast in Graham Land, Antarctica, situated southwest of Blagun Glacier and northeast of Murphy Glacier. It flows northwestwards along Lane Ridge, and joins Murphy Glacier and Wilkinson Glacier.
The glacier is named after the settlement of Peyna in Northern Bulgaria.