Alfred J. Rieber (born 1931) is an American historian specializing in Russian and Soviet history.
He graduated magna cum laude from Colgate University, where he was a member of Phi Beta Kappa.
He wrote his doctoral thesis on Joseph Stalin and the French Communist Party in the 1940s.
He also taught for more than two decades at the Central European University (CEU), again chairing the history department for four years.
Among his notable books are Struggle for the Eurasian Borderlands: From the Rise of Early Modern Empires to the End of the First World War (Cambridge, 2014) which won the Bentley Prize of the World History Association and its sequel Stalin's Struggle for Supremacy in Eurasia (Cambridge, 2016) which was shortlisted for the Pushkin Book Prize.