| Club: | Sochaux |
| Season: | 2004–05 |
| Chrtitle: | President |
| Chairman: | Jean-Claude Plessis |
| Mgrtitle: | Manager |
| Manager: | Guy Lacombe |
| Stadium: | Stade Auguste Bonal |
| League: | Ligue 1 |
| League Result: | 10th |
| League Topscorer: | Ilan (12) |
| Season Topscorer: | Ilan (17) |
| Cup1: | Coupe de France |
| Cup1 Result: | Quarter-finals |
| Cup2: | Coupe de la Ligue |
| Cup2 Result: | Third round |
| Cup3: | UEFA Cup |
| Cup3 Result: | Round of 32 |
| Average Attendance: | 15,689[1] |
| Prevseason: | 2003–04 |
| Nextseason: | 2005–06 |
The 2004–05 FC Sochaux-Montbéliard season was the club's 77th season in existence and the club's fourth consecutive season in the first division of French football. In addition to the domestic league, Sochaux participated in this season's edition of the Coupe de France, the Coupe de la Ligue and the UEFA Cup. The season covers the period from 1 July 2004 to 30 June 2005.[2]
Sochaux dropped five places in the table to finish 10th, their lowest finish since promotion in 2001.[2] Manager Guy Lacombe left at the end of the season to manage Paris Saint-Germain. He was replaced by former Ajaccio manager Dominique Bijotat.
See main article: 2004–05 Ligue 1.
See main article: 2004–05 Coupe de France.
See main article: 2004–05 Coupe de la Ligue.
See main article: 2004–05 UEFA Cup.