| 1998 Grand Prix de Tennis de Lyon | |
|---|---|
| Date | 19–26 October 1998 |
| Edition | 12th |
| Category | International Series |
| Draw | 32S / 16D |
| Prize money | $725,000 |
| Surface | Carpet / indoor |
| Location | Lyon, France] |
| Venue | Palais des Sports de Gerland |
| Champions | |
| Singles | |
 Àlex Corretja[1] | |
| Doubles | |
 Olivier Delaître / Fabrice Santoro[2] | |
The 1998 Grand Prix de Tennis de Lyon was a men's tennis tournament played on indoor carpet courts at the Palais des Sports de Gerland in Lyon, France, and was part of the International Series of the 1998 ATP Tour. It was the 12th edition of the tournament and ran from 19 October until 26 October 1998. Fourth-seeded Àlex Corretja won the singles title.
- ^ "1998 Lyon – Singles draw". Association of Tennis Professionals (ATP).
- ^ "1998 Lyon – Doubles draw". Association of Tennis Professionals (ATP).