| Club: | Nantes Atlantique |
| Season: | 1998–99 |
| Manager: | Raynald Denoueix |
| Stadium: | Stade de la Beaujoire |
| League: | Division 1 |
| League Result: | 7th |
| Cup1: | Coupe de France |
| Cup1 Result: | Winners |
| Cup2: | Coupe de la Ligue |
| Cup2 Result: | Round of 32 |
| League Topscorer: | Olivier Monterrubio (8)[1] |
| Season Topscorer: | Olivier Monterrubio (12) |
| Average Attendance: | 26,700[2] |
| Prevseason: | 1997–98 |
| Nextseason: | 1999–2000 |
The 1998–99 season was the 56th season in the existence of Nantes Atlantique and the club's 37th consecutive season in the top flight of French football.
Nantes Atlantique competed in the French Division 1, the Coupe de France, and the Coupe de la Ligue, Trophée des Champions.
The 1998–99 season saw Nantes win their second Coupe de France title, and first in twenty years, qualifying for the following season's Trophée des Champions and UEFA Cup.[3]
Source: [4]
See main article: 1998–99 French Division 1.
See main article: 1998–99 Coupe de France.
See main article: 1998–99 Coupe de la Ligue.