| Adidas Cup | |
| Year: | 1998 |
| Country: | South Korea |
| Num Teams: | 10 |
| Winners: | Ulsan Hyundai Horang-i |
| Count: | 3 |
| Second: | Bucheon SK |
| Matches: | 44 |
| Goals: | 93 |
| Scoring Leader: | Kim Hyun-seok (11 goals)[1] |
| Prev Season: | 1997+ |
| Next Season: | 1998+ |
The Adidas Korea Cup 1998 was the ninth competition of the Korean League Cup, and one of two Korean League Cups held in 1998.
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| Award | Player | Team | Points | |
|---|---|---|---|---|
| Top goalscorer |  Kim Hyun-seok | Ulsan Hyundai Horang-i | 11 goals | |
| Top assist provider | Jang Chul-min | Ulsan Hyundai Horang-i | 3 assists |