The Pohang Steelers are a South Korean professional football club based in Pohang, North Gyeongsang Province that compete in the K League 1, the top flight of South Korean football. The Steelers were founded on 1 April 1973 as POSCO FC, named after the steel company POSCO, which still owns the club today. They are one of South Korea's most successful teams, having won the K League five times and the AFC Champions League three times.

The 2008 K League was the 26th season of the K League. The regular season and playoffs' format was the same as the one used in the 2007 season. It began on March 8, and the final of the playoffs finished on 7 December.