| 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.
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Seongnam Ilhwa Chunma (C) | 44 | 27 | 10 | 7 | 85 | 50 | +35 | 91 | Qualification for the Champions League |
| 2 | Ulsan Hyundai Horang-i | 44 | 20 | 13 | 11 | 63 | 44 | +19 | 73 | |
| 3 | Suwon Samsung Bluewings | 44 | 19 | 15 | 10 | 59 | 46 | +13 | 72 | |
| 4 | Jeonnam Dragons | 44 | 17 | 20 | 7 | 65 | 48 | +17 | 71 | |
| 5 | Jeonbuk Hyundai Motors | 44 | 18 | 15 | 11 | 72 | 58 | +14 | 69 | Qualification for the Champions League [lower-alpha 1] |
| 6 | Daejeon Citizen | 44 | 18 | 11 | 15 | 50 | 51 | −1 | 65 | |
| 7 | Pohang Steelers | 44 | 17 | 13 | 14 | 53 | 46 | +7 | 64 | |
| 8 | Anyang LG Cheetahs | 44 | 14 | 14 | 16 | 69 | 68 | +1 | 56 | |
| 9 | Busan I'Cons | 44 | 13 | 10 | 21 | 41 | 71 | −30 | 49 | |
| 10 | Gwangju Sangmu Bulsajo | 44 | 13 | 7 | 24 | 41 | 60 | −19 | 46 | |
| 11 | Daegu FC | 44 | 7 | 16 | 21 | 38 | 60 | −22 | 37 | |
| 12 | Bucheon SK | 44 | 3 | 12 | 29 | 39 | 73 | −34 | 21 |
| Rank | Player | Club | Goals | Apps |
|---|---|---|---|---|
| 1 |  Kim Do-hoon | Seongnam Ilhwa Chunma | 28 | 40 |
| 2 |  Dodô | Ulsan Hyundai Horang-i | 27 | 44 |
| Magno Alves | Jeonbuk Hyundai Motors | 27 | 44 | |
| 4 | Itamar | Jeonnam Dragons | 23 | 34 |
| 5 |  Edmilson | Jeonbuk Hyundai Motors | 17 | 39 |
| 6 | Shin Byung-ho | Jeonnam Dragons | 16 | 42 |
| 7 | Woo Sung-yong | Pohang Steelers | 15 | 40 |
| 8 | Nadson | Suwon Samsung Bluewings | 14 | 18 |
| Tuta | Suwon Samsung Bluewings | 14 | 31 | |
| 10 |  Andy Cooke | Busan I'Cons | 13 | 22 |
Source: [1]
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