The 2013 K League Challenge was the first season of the K League 2, the second-highest division in the South Korean football league system. Its schedule was announced on 30 January 2013, and it began on 16 March.
Teams
Promotion and relegation
Relegated from K League
Gwangju FC
Sangju Sangmu
Promoted from Korea National League
Chungju Hummel
Goyang Hi FC
Suwon FC
Promoted from Challengers League
Bucheon FC 1995
Promoted from R League
Korean Police
Newly formed
FC Anyang
Stadiums
Personnel and sponsoring
Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.
Foreign players
Restricting the number of foreign players strictly to four per team, including a slot for a player from AFC countries. A team could use four foreign players on the field each game including a least one player from the AFC country.
League table
Promotion playoffs
Sangju Sangmu won 4–2 on aggregate and were promoted to the K League Classic, while Gangwon FC were relegated to the K League Challenge.
Player statistics
Top scorers
Top assist providers
Attendance
Attendants who entered with free ticket were not counted. Korean Police played all matches at opponents' stadiums.
Awards
The 2013 K League Awards was held on 3 December 2013.
Main awards
Most Valuable Player: Lee Keun-ho (Sangju Sangmu) Manager of the Year: Park Hang-seo (Sangju Sangmu) Top goalscorer: Lee Keun-ho (Sangju Sangmu) Top assist provider: Yeom Ki-hun (Korean Police)