Sophia of Brandenburg (1300–1356) was a daughter of Margrave Henry I (1256–1318) and his wife Agnes of Bavaria (1276–1345).

Sophia of Brandenburg-Stendal
Born1300
Died1356
Noble familyHouse of Ascania
House of Welf by marriage
Spouse(s)Magnus, Duke of Brunswick-Lüneburg
FatherHenry I, Margrave of Brandenburg-Stendal
MotherAgnes of Bavaria

In 1327, she married Duke Magnus "the Pious" of Brunswick-Wolfenbüttel (1304–1369), Duke of Brunswick-Lüneburg. The following children reached adulthood: