| 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] | |
The1998 Grand Prix de Tennis de Lyon was a men'stennis tournament played on indoorcarpet courts at thePalais des Sports de Gerland inLyon, France, and was part of theInternational Series of the1998 ATP Tour. It was the 12th edition of the tournament and ran from 19 October until 26 October 1998. Fourth-seededÀlex Corretja won the singles title.
Àlex Corretja defeated
Tommy Haas 2–6, 7–6(8–6), 6–1
Olivier Delaître /Fabrice Santoro defeatedTomás Carbonell /Francisco Roig 6–2, 6–2