| Dates: | 26 October–1 November |
| Number Edition: | 17th |
| Prize Money: | 120000 |
| Venue: | Istora Senayan |
| Location: | Jakarta, Indonesia |
| Ms: | Yong Hock Kin |
| Country Ms: | MAS |
| Ws: | Mia Audina |
| Country Ws: | INA |
| Md1: | Ricky Subagja |
| Country Md1: | INA |
| Md2: | Rexy Mainaky |
| Country Md2: | INA |
| Wd1: | Eliza Nathanael |
| Country Wd1: | INA |
| Wd2: | Deyana Lomban |
| Country Wd2: | INA |
| Xd1: | Tri Kusharjanto |
| Country Xd1: | INA |
| Xd2: | Minarti Timur |
| Country Xd2: | INA |
| Previous: | 1997 |
| Next: | 1999 |
The 1998 Indonesia Open in badminton was held in Jakarta, from October 26 to November 1, 1998. It was a four-star tournament with the prize money of US$120,000.
| Category | Winners | Runners-up | Score | |
|---|---|---|---|---|
| Men's singles | Yong Hock Kin | Budi Santoso | 15–7, 15–6 | |
| Women's singles | Mia Audina | Mette Sorensen | 11–0, 11–6 | |
| Men's doubles | Ricky Subagja & Rexy Mainaky | Flandy Limpele & Eng Hian | 15–5, 15–4 | |
| Women's doubles | Eliza Nathanael & Deyana Lomban | Marlene Thomsen & Rikke Olsen | 7–15, 17–15, 15–7 | |
| Mixed doubles | Tri Kusharjanto & Minarti Timur | Michael Søgaard & Rikke Olsen | 10–15, 15–6, 15–6 |