The Battle of Shelon () was a decisive battle between the forces of the Grand Duchy of Moscow under Ivan III (r. 1462–1505) and the army of the Novgorod Republic, which took place on the Shelon River on July 14, 1471. Novgorod suffered a major defeat and ended with the de facto unconditional surrender of the city. Novgorod was absorbed by Muscovy in 1478.