| 1998 Davidoff Swiss Indoors | |
|---|---|
| Date | 5–11 October |
| Edition | 29th |
| Category | World Series |
| Draw | 32S / 16D |
| Prize money | $975,000 |
| Surface | Hard / indoor |
| Location | Basel, Switzerland |
| Champions | |
| Singles | |
 Tim Henman[1] | |
| Doubles | |
 Olivier Delaître / Fabrice Santoro[2] | |
The 1998 Davidoff Swiss Indoors was a men's tennis tournament played on indoor hard courts. It was the 29th edition of the event known that year as the Davidoff Swiss Indoors, and was part of the World Series of the 1998 ATP Tour. It took place at the St. Jakobshalle in Basel, Switzerland, from 5 October until 11 October 1998. Sixth-seeded Tim Henman won the singles title.[3]
