The 2010 K League Championship was the 14th competition of the K League Championship, and was held to decide the 28th 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.
Man of the match: Eninho (Jeonbuk Hyundai Motors) Assistant referees: Kim Yong-soo (South Korea) Son Jae-sun (South Korea) Fourth official: Ahn Yong-hee (South Korea) Man of the match: Dženan Radončić (Seongnam Ilhwa Chunma) Assistant referees: Won Chang-ho (South Korea) Jung Hae-sang (South Korea) Fourth official: Ko Keum-bok (South Korea) Man of the match: Cho Sung-hwan (Jeonbuk Hyundai Motors) Assistant referees: Kim Sun-jin (South Korea) Kang Yi-sung (South Korea) Fourth official: Ko Keum-bok (South Korea) Man of the match: Danilo Neco (Jeju United) Assistant referees: Kim Jung-sik (South Korea) Son Jae-sun (South Korea) Fourth official: Lee Sam-ho (South Korea) Man of the match: Santos Júnior (Jeju United) Assistant referees: Kim Seon-jin (South Korea) Kim Kye-soo (South Korea) Fourth official: Lee Sam-ho (South Korea) Man of the match: Adilson (FC Seoul) Assistant referees: Kim Jung-sik (South Korea) Son Jae-sun (South Korea) Fourth official: Ko Keum-bok (South Korea) FC Seoul won 4–3 on aggregate.