The 2011 Korean Series was the championship series for Korea Professional Baseball (KPB) for the 2011 Korea Professional Baseball season. The 30th edition of the Korean Series, it featured the regular season champion Samsung Lions versus the SK Wyverns, who finished second during the regular season and defeated the Lotte Giants in a best-of-5 playoff series to advance to the Finals. The Samsung Lions won the series in five games to collect their fifth Korean Series championship.