| Competition: | Ligue 1 |
| Season: | 2005–06 |
| Dates: | 29 July 2005 – 13 May 2006 |
| Winners: | Lyon (5th Title) |
| Relegated: | Ajaccio Strasbourg Metz |
| Continentalcup1: | Champions League |
| Continentalcup1 Qualifiers: | Lyon Bordeaux Lille |
| Continentalcup2: | UEFA Cup |
| Continentalcup2 Qualifiers: | Marseille Paris Saint-Germain Nancy |
| League Topscorer: | Pauleta (21 goals) |
| Matches: | 380 |
| Total Goals: | 811 |
| Prevseason: | 2004–05 |
| Nextseason: | 2006–07 |
Olympique Lyonnais won Ligue 1 season 2005–06 of the French Association Football League with 84 points.
| Month | Player | |
|---|---|---|
| August |  Jérôme Leroy (Lens) | |
| September | Grégory Coupet (Lyon) | |
| October | Franck Ribéry (Marseille) | |
| November | Franck Ribéry (Marseille) | |
| December |  Mamadou Niang (Marseille) | |
| January |  Daisuke Matsui (Le Mans) | |
| February |  John Utaka (Rennes) | |
| March | Yoann Gourcuff (Rennes) | |
| April | Franck Ribéry (Marseille) |
