[1] Relegated from K League Classic Promoted to K League Classic Newly joined Note: Flags indicate national team as has been defined under FIFA eligibility rules.

A team could use four foreign players on the field each game.

Leaders Qualification for the promotion playoffs When the first round and semi-final match were finished as draws, their winners were decided on the regular season rankings without extra time and the penalty shoot-out.

The winners on aggregate score after both matches earned entry into the 2016 K League Classic.

Source: K LeagueNotes:† Team played previous season in K League Classic.