| Club: | Hamburger SV |
| Season: | 2003–04 |
| Chrtitle: | President |
| Mgrtitle: | Head coach |
| Manager: | Kurt Jara (until 22 October) Klaus Toppmöller (from 23 October) |
| Stadium: | Volksparkstadion |
| League: | Bundesliga |
| League Result: | 8th |
| Cup1: | DFB-Pokal |
| Cup1 Result: | Second round |
| League Topscorer: | Bernardo Romeo (11)[1] |
| Prevseason: | 2002–03 |
| Nextseason: | 2004–05 |
The 2003–04 season was the 85th season in the history of Hamburger SV and the club's second consecutive season in the top flight of German football. In addition to the domestic league, Hamburger SV participated in this season's edition of the DFB-Pokal.
See main article: 2003–04 Bundesliga.
See main article: 2003–04 DFB-Pokal.