| Season | 2003 |
|---|---|
| Dates | 23 March – 16 November 2003 |
| Champions | Seongnam Ilhwa Chunma (6th title) |
| Champions League | Seongnam Ilhwa Chunma Jeonbuk Hyundai Motors |
| Matches played | 264 |
| Goals scored | 675 (2.56 per match) |
| Best Player | Kim Do-hoon |
| Top goalscorer | Kim Do-hoon (28 goals) |
← 2002 2004 → | |
The 2003 K League was the 21st season of the K League. It kicked off on March 23, and was finished on 16 November.