| K2 League Championship | |
| Year: | 2004 |
| Country: | South Korea |
| Dates: | 15–22 June 2004 |
| Num Teams: | 11 |
| City: | Namhae, Gyeongnam |
| Champions: | Hyundai Mipo Dockyard |
| Count: | 1 |
| Runner-Up: | Suwon City |
| Top Goal Scorer: | Kim Young-gi (4 goals)[1] |
| Player: | Kim Young-gi |
| Nextseason: | 2005 |
The 2004 K2 League Championship was the first competition of the Korea National League Championship. R League club Korean Police was invited to the competition.
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