2011 Korea National League

The 2011 Korea National League was the ninth season of the Korea National League. The number of post-season playoffs' teams were increased to six and the playoffs were operated in the same format as the K League Championship. Before the start of the 2011 season, Yesan FC withdrew from the league due to its financial difficulty.

Final
Hyundai Mipo Dockyard won 2–1 on aggregate.

Top scorers
Danilo Teixeira who played the least time among top goalscorers won the top goalscorer award