The 5th Local Elections were held in South Korea on 2 June 2010. It was the first local elections in South Korea to have political parties nominating candidates for Municipal Councillors. The ruling Uri Party proved its declining popularity since the 2008 general elections while the main opposition party, Grand National Party managed to clinch back lost grounds, using the opportunity for the presidential election the following year.
The ruling GNP was able to win 4 out of 7 mayoral seats but suffer by massive landslide on the gubernatorial election winning only 2 out of 9 seats. On the other hand, DP was able to capture 2 mayoral seats and swept 5 out of 9 gubernatorial seats. The LFP won Daejeon while two independent candidates won gubernatorial seats in South Gyeongsang Province and the other in Jeju Province.