The 1998 Denmark Open in badminton was held in Vejle, from October 14 to October 18, 1998. It was a four-star tournament and the prize money was US$120,000.
| Category | Winners | Runners-up | Score |
|---|---|---|---|
| Men's singles | Peter Gade | Dong Jiong | 15–8, 17–14 |
| Women's singles | Camilla Martin | Ye Zhaoying | 13–10, 11–8 |
| Men's doubles | Rexy Mainaky & Ricky Subagja | Flandy Limpele & Eng Hian | 15–11, 15–6 |
| Women's doubles | Qin Yiyuan & Tang Hetian | Huang Nanyan & Yang Wei | 15–17, 15–10, 15–11 |
| Mixed doubles | Jon Holst-Christensen & Ann Jorgensen | Michael Sogaard & Rikke Olsen | 15–6, 15–14 |
| Preceded by 1997 Denmark Open |
Denmark Open | Succeeded by 1999 Denmark Open |