| Tournament details | |
|---|---|
| Country | South Korea |
| Dates | 21 March – 5 May 1998 |
| Teams | 10 |
| Final positions | |
| Champions | Ulsan Hyundai Horang-i (3rd title) |
| Runner-up | Bucheon SK |
| Tournament statistics | |
| Matches played | 44 |
| Goals scored | 93 (2.11 per match) |
| Top goal scorer(s) | Kim Hyun-seok (11 goals)[1] |
The Adidas Korea Cup 1998 was the ninth competition of the Korean League Cup, and one of two Korean League Cups held in 1998.