2007 K League Championship is postseason championship playoff of 2007 K League. The championship are a series of playoff matches contested by the teams 1st to 6th in the 2007 K League table. All matches are played one leg, except final is played two legs. The top six teams in the final table qualify for the playoffs. Fourth will play fifth and third will play sixth. The winners of those two games will then playoff against each other; the winner will then playoff against the team that finished in second place. Finally, the winner of this playoff will face the team that finished in first place over two legs to decide the overall league champions.