Leo I of Galicia (Ukrainian: Лев Дани́лович, Lev Danylovych) (c. 1228 – c. 1301) was a Knyaz (prince) of Belz (1245–1264), Peremyshl, Halych (1264–1269), Grand Prince of Kiev (1271–1301) and King of Galicia-Volhynia.

He was a son of King Daniel of Galicia and his first wife, Anna Mstislavna Smolenskaya (daughter of Mstislav Mstislavich the Bold).
As his father, Lev was a member of the senior branch of Vladimir II Monomakh descendants.
He was a third cousin of Alexander Nevsky.
Leo I of Galicia (Ukrainian: Лев Дани́лович, Lev Danylovych) (c. 1228 – c. 1301) was a Knyaz (prince) of Belz (1245–1264), Peremyshl, Halych (1264–1269), Grand Prince of Kiev (1271–1301) and King of Galicia-Volhynia.
He was a son of King Daniel of Galicia and his first wife, Anna Mstislavna Smolenskaya (daughter of Mstislav Mstislavich the Bold). As his father, Lev was a member of the senior branch of Vladimir II Monomakh descendants. He was a third cousin of Alexander Nevsky.
Leo I of Galicia