| Club: | Feyenoord |
| Season: | 2004-05 |
| Manager: | Ruud Gullit |
| Stadium: | De Kuip |
| League: | Eredivisie |
| League Result: | 4th (qualified for UEFA Cup) |
| Cup1: | Amstel Cup |
| Cup1 Result: | 1/2 Final |
| Cup2: | UEFA Cup |
| Cup2 Result: | Last 32 |
| League Topscorer: | Dirk Kuyt (29) |
| Season Topscorer: | Dirk Kuyt (36) |
| Pattern La1: | _redborder |
| Pattern B1: | _Feyenoord0405 |
| Pattern Ra1: | _whiteborder |
| Pattern Sh1: | _Feyenoord0405 |
| Pattern S1: | _redtop |
| Leftarm1: | FFFFFF |
| Body1: | FFFFFF |
| Rightarm1: | FF0000 |
| Shorts1: | 000000 |
| Socks1: | 000000 |
| Pattern B2: | _Feyenoord0405a |
| Prevseason: | 2003–04 |
| Nextseason: | 2005–06 |
During the 2004–05 Dutch football season, Feyenoord competed in the Eredivisie.
Feyenoord were the Eredivisie's top scorers but they did not improve on last's seasons results and finished 4th, way off challenging for the title. The club made it to the semi-finals in the domestic KNVB cup, losing to the winner of the KNVB Cup PSV Eindhoven after penalties. In the UEFA cup they made it to the 3rd round (last 32 clubs) losing to the later finalist Sporting CP from Portugal.
Feyenoord's kits were manufactured by Italian company Kappa and sponsored by Belgian financial company Fortis.
Squad at end of season[1]
In brackets where they came from.