Ernest II (died August 17, 1030) was Duke of Swabia from 1015 to 1030. A member of the Babenberg family, he was the son of Ernest I and Gisela of Swabia. As the elder son of his father, Ernest became duke following the senior Ernest's death in 1015. Since he was a minor, the government of Swabia was run by regency. At first his mother Gisela assumed the position of regent; she later gave way to Poppo, Archbishop of Trier.