| Club: | Lyon |
| Season: | 2002–03 |
| Chrtitle: | President |
| Chairman: | Jean-Michel Aulas |
| Ownertitle: | Owner |
| Owner: | OL Groupe |
| Mgrtitle: | Head coach |
| Manager: | Paul Le Guen |
| Stadium: | Stade de Gerland |
| League: | Ligue 1 |
| League Result: | 1st (champions) |
| Cup1: | Coupe de France |
| Cup1 Result: | Round of 64 |
| Cup2: | Coupe de la Ligue |
| Cup2 Result: | Round of 16 |
| Cup3: | Trophée des Champions |
| Cup3 Result: | Winners |
| Cup4: | Champions League |
| Cup4 Result: | Group stage |
| Cup5: | UEFA Cup |
| Cup5 Result: | Third round |
| League Topscorer: | Juninho (13) |
| Season Topscorer: | Sonny Anderson (17) |
| Average Attendance: | 36,733[1] |
| Pattern La1: | _lyon0304h |
| Pattern B1: | _lyon0304h |
| Pattern Ra1: | _lyon0304h |
| Pattern Sh1: | _lyon 0304h |
| Pattern So1: | _lyon0203hl |
| Pattern La2: | _lyon0203a |
| Pattern B2: | _lyon0203a |
| Pattern Ra2: | _lyon0203a |
| Pattern Sh2: | _lyon0203a |
| Pattern So2: | _lyon0203al |
| Pattern La3: | _lyon0203t |
| Pattern B3: | _lyon0203t |
| Pattern Ra3: | _lyon0203t |
| Pattern Sh3: | _lyon0203t |
| Pattern So3: | _lyon0203tl |
| Prevseason: | 2001–02 |
| Nextseason: | 2003–04 |
The 2002–03 season was the 104th season in the existence of Olympique Lyonnais and the club's 14th consecutive season in the top flight of French football. They participated in the Ligue 1, the Coupe de France, the Coupe de la Ligue, the Trophée des Champions, UEFA Champions League and UEFA Cup.[2]
See main article: 2002 Trophée des Champions.
See main article: 2002–03 Ligue 1.
See main article: 2002–03 Coupe de France.
See main article: 2002–03 Coupe de la Ligue.
See main article: 2002–03 UEFA Champions League.
See main article: 2002–03 UEFA Cup.