Eric, Duke of Mecklenburg may refer to:
Eric I, Duke of Mecklenburg (after 1359 – 1397), eldest son and heir apparent of King Albert of Sweden, and the ruler of Gotland in 1397 Eric II, Duke of Mecklenburg (1483–1508), rector of University of Rostock intermittently in 1499–1502 and the co-ruler of Mecklenburg-Schwerin in 1503–1508