The 2007 K League Championship was the eleventh competition of the K League Championship, and was held to decide the 25th champions of the K League.
The top six clubs of the regular season qualified for the championship.
The winners of the regular season directly qualified for the final, and second place team qualified for the semi-final.
The other four clubs entered the first round, and the winners of the second round advanced to the semi-final.
Assistant referees: Kang Chang-koo (South Korea) Kim Jung-sik (South Korea) Fourth official: Hong Jin-ho (South Korea) Assistant referees: Won Chang-ho (South Korea) Kang Yi-sung (South Korea) Fourth official: Ahn Yong-hee (South Korea) Assistant referees: Kim Kye-soo (South Korea) Jung Hae-sang (South Korea) Fourth official: Lee Jong-gook (South Korea) Assistant referees: Kang Chang-koo (South Korea) Kim Yong-soo (South Korea) Fourth official: {Hong Jin-ho (South Korea) Assistant referees: Kim Kye-soo (South Korea) Kim Jung-sik (South Korea) Fourth official: Choi Gwang-bo (South Korea) Assistant referees: Kang Chang-koo (South Korea) Son Jae-sun (South Korea) Fourth official: Lee Min-hoo (South Korea) Pohang Steelers won 4–1 on aggregate.