2003 K2 League
| Season | 2003 |
|---|---|
| Champions | Goyang Kookmin Bank (1st title) |
| Matches played | 92 |
| Goals scored | 238 (2.59 per match) |
| Best Player | First stage: Jang Hyeon-ho Second stage: Lee Do-kweon Playoff: Kim Ki-jong |
| Top goalscorer | First stage: Lee Seong-gil Second stage: Lee Hyeon-dong |
| Best goalkeeper | First stage: Jin Sang-ol Second stage: Kim Ji-woon |
| Biggest home win | HMD 4–0 Hummel (6 September 2003) |
| Biggest away win | Seosan 0–5 Seoul (19 October 2003) |
| Highest scoring | Gangneung 3–5 Hallelujah (19 April 2003) |
| Longest winning run | 5 matches Goyang Kookmin Bank |
| Longest unbeaten run | 11 matches Goyang Kookmin Bank |
| Longest winless run | 18 matches Daejeon KHNP |
| Longest losing run | 5 matches Uijeongbu Hummel Korea |
2004 → | |
The 2003 K2 League was the first season of the Korea National League. It was divided into two stages, and the winners of each stage qualified for the championship playoff.