Nadezhda Yakovlevna Mandelstam (, née Khazina; 29 December 1980) was a Russian writer and educator, and the wife of the poet Osip Mandelstam who died in 1938 in a transit camp to the gulag of Siberia. She wrote two memoirs about their lives together and the repressive Stalinist regime: Hope Against Hope (1970) and Hope Abandoned (1974), both first published in the west in English, translated by Max Hayward.