The 2006 Saxony-Anhalt state election was held on 26 March 2006 to elect the members of the 5th Landtag of Saxony-Anhalt. The incumbent coalition government of the Christian Democratic Union (CDU) and Free Democratic Party (FDP) led by Minister-President Wolfgang Böhmer lost its majority. The CDU subsequently formed a coalition with the Social Democratic Party (SPD).
The table below lists parties represented in the 4th Landtag of Saxony-Anhalt.
|- | colspan=8 | |- ! colspan="2" | Party ! Votes ! % ! +/- ! Seats ! +/- ! Seats % |- | bgcolor=| | align=left | Christian Democratic Union (CDU) | align=right| 326,721 | align=right| 36.2 | align=right| 1.1 | align=right| 40 | align=right| 8 | align=right| 41.2 |- | bgcolor=| | align=left | The Left.PDS (Linke) | align=right| 217,295 | align=right| 24.1 | align=right| 3.7 | align=right| 26 | align=right| 1 | align=right| 26.8 |- | bgcolor=| | align=left | Social Democratic Party (SPD) | align=right| 192,754 | align=right| 21.4 | align=right| 1.4 | align=right| 24 | align=right| 1 | align=right| 24.7 |- | bgcolor=| | align=left | Free Democratic Party (FDP) | align=right| 60,209 | align=right| 6.7 | align=right| 6.6 | align=right| 7 | align=right| 10 | align=right| 7.2 |- ! colspan=8| |- | bgcolor=| | align=left | Alliance 90/The Greens (Grüne) | align=right| 32,117 | align=right| 3.6 | align=right| 1.6 | align=right| 0 | align=right| ñ0 | align=right| 0 |- | bgcolor=| | align=left | German People's Union (DVU) | align=right| 26,905 | align=right| 3.0 | align=right| 3.0 | align=right| 0 | align=right| ñ0 | align=right| 0 |- | | align=left | Parent Party (Eltern) | align=right| 14,499 | align=right| 1.6 | align=right| 1.6 | align=right| 0 | align=right| ñ0 | align=right| 0 |- | bgcolor=| | align=left | Others | align=right| 31,754 | align=right| 3.5 | align=right| | align=right| 0 | align=right| ñ0 | align=right| 0 |- ! align=right colspan=2| Total ! align=right| 902,254 ! align=right| 100.0 ! align=right| ! align=right| 97 ! align=right| 18 ! align=right| |- ! align=right colspan=2| Voter turnout ! align=right| ! align=right| 44.4 ! align=right| 12.1 ! align=right| ! align=right| ! align=right|