Mörbylånga Municipality is a municipality in Kalmar County, in south-eastern Sweden, located on the island of Öland in the Baltic Sea. The seat is located in the town of Mörbylånga, while the largest town is Färjestaden. The present municipality, making up the southern part of Öland, was formed in 1974. The eighteen original entities had during the nationwide subdivision reform of 1952 been regrouped into three larger units.