| Election Name: | 2003 Bremen state election |
| Country: | Bremen |
| Type: | parliamentary |
| Ongoing: | no |
| Previous Election: | 1999 Bremen state election |
| Previous Year: | 1999 |
| Next Election: | 2007 Bremen state election |
| Next Year: | 2007 |
| Seats For Election: | All 83 seats in the Bürgerschaft of Bremen |
| Majority Seats: | 42 |
| Election Date: | 25 May 2003 |
| Turnout: | 291,766 (61.3%) 1.2% |
| Leader1: | Henning Scherf |
| Party1: | Social Democratic Party of Germany |
| Last Election1: | 47 seats, 42.6% |
| Seats1: | 40 |
| Popular Vote1: | 123,480 |
| Seat Change1: | 7 |
| Percentage1: | 42.3% |
| Swing1: | 0.3% |
| Party2: | Christian Democratic Union (Germany) |
| Seats2: | 29 |
| Popular Vote2: | 86,819 |
| Seat Change2: | 13 |
| Percentage2: | 29.8% |
| Swing2: | 7.3% |
| Party3: | Alliance 90/The Greens |
| Seats3: | 12 |
| Popular Vote3: | 37,350 |
| Seat Change3: | 2 |
| Percentage3: | 12.8% |
| Swing3: | 3.9% |
| Party4: | Free Democratic Party (Germany) |
| Last Election4: | 0 seats, 2.5% |
| Seats4: | 1 |
| Seat Change4: | 1 |
| Popular Vote4: | 12,294 |
| Percentage4: | 4.2% |
| Swing4: | 1.7% |
| Party5: | German People's Union |
| Last Election5: | 1 seat, 3.0% |
| Seats5: | 1 |
| Seat Change5: | 0 |
| Popular Vote5: | 6,642 |
| Percentage5: | 2.3% |
| Swing5: | 0.7% |
| Mayor | |
| Before Election: | Henning Scherf |
| Before Party: | Social Democratic Party of Germany |
| After Election: | Henning Scherf |
| After Party: | Social Democratic Party of Germany |
The 2003 Bremen state election was held on 25 May 2003 to elect the members of the Bürgerschaft of Bremen, as well as the city councils of Bremen and Bremerhaven. The incumbent grand coalition of the Social Democratic Party (SPD) and Christian Democratic Union (CDU) led by Mayor Henning Scherf retained its majority and continued in office.
The table below lists parties represented in the previous Bürgerschaft of Bremen.
| Name | Ideology | Leader(s) | 1999 result | |||||
|---|---|---|---|---|---|---|---|---|
| Votes (%) | Seats | |||||||
| bgcolor= | SPD | Social Democratic Party of Germany | Social democracy | Henning Scherf | 42.6% | |||
| bgcolor= | CDU | Christian Democratic Union of Germany | Christian democracy | 37.1% | ||||
| bgcolor= | Grüne | Alliance 90/The Greens | Green politics | 8.9% | ||||
| bgcolor= | DVU | German People's Union | German nationalism | 3.0% | ||||
| Polling firm | Fieldwork date | Sample size | SPD | CDU | Grüne | DVU | PDS | FDP | Others | Lead | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2003 state election | data-sort-value="2003-05-25" | 25 May 2003 | – | 42.3 | 29.8 | 12.8 | 2.3 | 1.7 | 4.2 | 6.9 | 12.5 | ||
| Infratest dimap | data-sort-value="2003-05-16" | 13–15 May 2003 | 1,000 | 38 | 36 | 12 | 2 | 2 | 5 | 5 | 2 | ||
| Forschungsgruppe Wahlen | data-sort-value="2003-05-09" | 5–8 May 2003 | 1,003 | 38 | 36 | 14 | – | – | 5 | 7 | 2 | ||
| Forsa | data-sort-value="2003-05-06" | 24–30 Apr 2003 | 1,194 | 37 | 38 | 14 | – | – | 4 | 7 | 1 | ||
| Infratest dimap | data-sort-value="2003-05-03" | 25–28 Apr 2003 | 1,000 | 42.5 | 34 | 13 | – | 2 | 4.5 | 4 | 8.5 | ||
| Infratest | data-sort-value="2003-04-16" | 16 Apr 2003 | ? | 42 | 35 | 13 | – | – | 4 | 6 | 7 | ||
| 1999 state election | data-sort-value="1999-06-06" | 6 June 1999 | – | 42.6 | 37.1 | 8.9 | 3.0 | 2.9 | 2.5 | 2.9 | 5.5 |