| Tournament details | |
|---|---|
| Host country | South Korea |
| Dates | 17–31 October 1998 |
| Teams | 4 |
| Final positions | |
| Champions | Suwon Samsung Bluewings |
| Runners-up | Ulsan Hyundai Horang-i |
| Tournament statistics | |
| Matches played | 5 |
| Goals scored | 9 (1.8 per match) |
| Attendance | 131,871 (26,374 per match) |
| Top scorer(s) | 9 players (1 goal each) |
← 1996 1999 → | |
The 1998 K League Championship was the fifth competition of the K League Championship, and was held to decide the 16th champions of the K League. It was contested between the top four clubs of the regular season. The first round was played as a single match between third place and fourth place of the regular season. The winners of the first round advanced to the semi-final, and played against runners-up of the regular season over two legs. The final progressed in the same way as the semi-final, and winners of the regular season qualified directly.