Kashin Glacier (Bulgarian: ледник Къшин, romanized: lednik Kashin, IPA: [ˈlɛdnik kɐˈʃin]) is the 8 km long and 2.7 km wide glacier on Fallières Coast in Graham Land, Antarctica. It is situated southwest of Perutz Glacier, north of Marvodol Glacier and east-southeast of Bader Glacier, flows northward between Shapkarev Buttress and Rudozem Heights, and flows into Bourgeois Fjord next southwest of Perutz Glacier.
The glacier is named after the settlement of Kashin in Northern Bulgaria.