| Election Name: | 2006 Baden-Württemberg state election |
| Country: | Baden-Württemberg |
| Type: | parliamentary |
| Turnout: | 3,960,345 (53.4%) 9.2% |
| Ongoing: | no |
| Previous Election: | 2001 Baden-Württemberg state election |
| Previous Year: | 2001 |
| Next Election: | 2011 Baden-Württemberg state election |
| Next Year: | 2011 |
| Seats For Election: | All 139 seats in the Landtag of Baden-Württemberg |
| Majority Seats: | 70 |
| Election Date: | 26 March 2006 |
| Leader1: | Günther Oettinger |
| Party1: | Christian Democratic Union (Germany) |
| Last Election1: | 63 seats, 44.8% |
| Seats1: | 69 |
| Popular Vote1: | 1,748,781 |
| Seat Change1: | 6 |
| Percentage1: | 44.2% |
| Swing1: | 0.6% |
| Leader2: | Ute Vogt |
| Party2: | Social Democratic Party of Germany |
| Last Election2: | 45 seats, 33.3% |
| Seats2: | 38 |
| Popular Vote2: | 996,095 |
| Seat Change2: | 7 |
| Percentage2: | 25.2% |
| Swing2: | 8.1% |
| Party4: | Alliance 90/The Greens |
| Last Election4: | 10 seats, 7.7% |
| Seats4: | 17 |
| Popular Vote4: | 462,889 |
| Seat Change4: | 7 |
| Percentage4: | 11.7% |
| Swing4: | 4.0% |
| Party5: | Free Democratic Party (Germany) |
| Last Election5: | 10 seats, 8.1% |
| Seats5: | 15 |
| Popular Vote5: | 421,885 |
| Seat Change5: | 5 |
| Percentage5: | 10.7% |
| Swing5: | 2.6% |
| Map Size: | 300px |
| Minister-President | |
| Before Election: | Günther Oettinger |
| Before Party: | Christian Democratic Union of Germany |
| After Election: | Günther Oettinger |
| After Party: | Christian Democratic Union of Germany |
The 2006 Baden-Württemberg state election was held on 26 March 2006 to elect the members of the 13th Landtag of Baden-Württemberg. The incumbent coalition government of the Christian Democratic Union (CDU) and Free Democratic Party (FDP) led by Minister-President Günther Oettinger was re-elected with an increased majority and continued in office.
The table below lists parties represented in the previous Landtag of Baden-Württemberg.
| Name | Ideology | Leader(s) | 2001 result | |||||
|---|---|---|---|---|---|---|---|---|
| Votes (%) | Seats | |||||||
| bgcolor= | CDU | Christian Democratic Union of Germany | Christian democracy | Günther Oettinger | 44.8% | |||
| bgcolor= | SPD | Social Democratic Party of Germany | Social democracy | Ute Vogt | 33.3% | |||
| bgcolor= | FDP | Free Democratic Party | Classical liberalism | 8.1% | ||||
| bgcolor= | Grüne | Alliance 90/The Greens | Green politics | 7.7% | ||||
| Polling firm | Fieldwork date | Sample size | CDU | SPD | FDP | Grüne | WASG | Others | Lead | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2006 state election | data-sort-value="2006-03-26" | 26 Mar 2006 | – | 44.2 | 25.2 | 10.7 | 11.7 | 3.1 | 5.3 | 19.0 | ||
| Emnid | data-sort-value="2006-03-21" | 7–18 Mar 2006 | 1,000 | 45 | 29 | 9 | 10 | 2 | 5 | 16 | ||
| Forschungsgruppe Wahlen | data-sort-value="2006-03-17" | 13–16 Mar 2006 | ~1,000 | 45 | 30 | 8 | 10 | 3 | 4 | 15 | ||
| Infratest dimap | data-sort-value="2006-03-16" | 13–15 Mar 2006 | 1,000 | 46 | 28 | 9 | 10 | 2 | 5 | 16 | ||
| IfM Leipzig | data-sort-value="2006-03-16" | 13–15 Mar 2006 | 1,008 | 43 | 31 | 9 | 10 | 2 | 5 | 12 | ||
| Infratest dimap | data-sort-value="2006-03-02" | 28 Feb–1 Mar 2006 | 1,000 | 46 | 29 | 8 | 10 | 3 | 4 | 17 | ||
| IfM Leizpig | data-sort-value="2006-02-10" | 6–8 Feb 2006 | 1,001 | 49 | 30 | 8 | 7 | 2 | 4 | 19 | ||
| Infratest dimap | data-sort-value="2006-02-02" | 30 Jan–1 Feb 2006 | 1,000 | 45 | 29 | 9 | 9 | 4 | 4 | 16 | ||
| Allensbach | data-sort-value="2005-10-25" | 28 Sep–13 Oct 2005 | ~1,000 | 45.0 | 30.0 | 8.5 | 8.5 | 4 | 4.0 | 15.0 | ||
| IfM Leizpig | data-sort-value="2004-11-19" | 16–18 Nov 2004 | 1,000 | 49 | 29 | 6 | 10 | – | 6 | 20 | ||
| Forsa | data-sort-value="2004-11-02" | 29–30 Oct 2004 | 1,002 | 50 | 28 | 6 | 9 | – | 7 | 22 | ||
| IfM Leizpig | data-sort-value="2004-10-19" | 19 Oct 2004 | 1,008 | 49 | 27 | 7 | 13 | – | 4 | 22 | ||
| Emnid | data-sort-value="2004-10-17" | 17 Oct 2004 | ? | 49 | 26 | 7 | 15 | – | 3 | 23 | ||
| Infratest dimap | data-sort-value="2004-07-27" | 23–26 Jul 2004 | 1,004 | 48 | 23 | 6 | 17 | – | 6 | 25 | ||
| Allensbach | data-sort-value="2004-07-06" | 5–17 Jun 2004 | 1,000 | 50.5 | 25.0 | 7.0 | 11.5 | – | 6.0 | 25.5 | ||
| Infratest dimap | data-sort-value="2004-06-06" | 1–6 Jun 2004 | 1,004 | 51 | 26 | 7 | 12 | – | 4 | 25 | ||
| Infratest dimap | data-sort-value="2004-02-12" | 12 Feb 2004 | ? | 52 | 26 | 8 | 11 | – | 3 | 26 | ||
| Allensbach | data-sort-value="2003-09-30" | 12–25 Sep 2003 | ? | 52 | 25 | 7 | 11 | – | 5 | 27 | ||
| Allensbach | data-sort-value="2003-02-11" | 3–7 Feb 2003 | 1,100 | 54 | 24 | 8 | 10 | – | 4 | 30 | ||
| 2001 state election | data-sort-value="2001-03-25" | 25 Mar 2001 | – | 44.8 | 33.3 | 8.1 | 7.7 | – | 6.1 | 10.2 |
|-|colspan="8" | |-! colspan="2" | Party! Votes! %! +/-! Seats ! +/-! Seats %|-| bgcolor=| | align=left | Christian Democratic Union (CDU)| align=right| 1,748,781| align=right| 44.2| align=right| 0.6| align=right| 69| align=right| 6| align=right| 49.7|-| bgcolor=| | align=left | Social Democratic Party (SPD)| align=right| 996,095| align=right| 25.2| align=right| 8.1| align=right| 38| align=right| 7| align=right| 27.3|-| bgcolor=| | align=left | Alliance 90/The Greens (Grüne)| align=right| 462,889| align=right| 11.7| align=right| 4.0| align=right| 17| align=right| 7| align=right| 12.2|-| bgcolor=| | align=left | Free Democratic Party (FDP)| align=right| 421,885| align=right| 10.7| align=right| 2.6| align=right| 15| align=right| 5| align=right| 10.8|-! colspan=8||-| bgcolor=#FF8000| | align=left | Labour and Social Justice – The Electoral Alternative (WASG)| align=right| 121,875| align=right| 3.1| align=right| New| align=right| 0| align=right| New| align=right| 0|-| bgcolor=| | align=left | The Republicans (REP)| align=right| 100,079| align=right| 2.5| align=right| 1.9| align=right| 0| align=right| ±0| align=right| 0|-| bgcolor=|| align=left | Others| align=right| 108,741| align=right| 2.6| align=right| 0.0| align=right| 0| align=right| ±0| align=right| 0|-! align=right colspan=2| Total! align=right| 3,960,345! align=right| 100.0! align=right| ! align=right| 139! align=right| 11! align=right| |-! align=right colspan=2| Voter turnout! align=right| ! align=right| 53.4! align=right| 9.2! align=right| ! align=right| ! align=right| |}