| Election Name: | 1999 Thuringia state election |
| Country: | Thuringia |
| Type: | parliamentary |
| Ongoing: | no |
| Previous Election: | 1994 Thuringia state election |
| Previous Year: | 1994 |
| Next Election: | 2004 Thuringian state election |
| Next Year: | 2004 |
| Seats For Election: | All 88 seats of the Landtag of Thuringia |
| Majority Seats: | 45 |
| Election Date: | 12 September 1999 |
| Turnout: | 1,161,181 (59.9%) 14.9 pp |
| Leader1: | Bernhard Vogel |
| Party1: | Christian Democratic Union of Germany |
| Last Election1: | 42 seats, 42.6% |
| Seats1: | 49 |
| Seat Change1: | 7 |
| Popular Vote1: | 592,474 |
| Percentage1: | 51.0% |
| Swing1: | 8.4 pp |
| Leader2: | Bodo Ramelow |
| Party2: | Party of Democratic Socialism (Germany) |
| Last Election2: | 17 seats, 16.6% |
| Seats2: | 21 |
| Seat Change2: | 4 |
| Popular Vote2: | 247,906 |
| Percentage2: | 21.3% |
| Swing2: | 4.7 pp |
| Leader3: | Richard Dewes |
| Party3: | Social Democratic Party of Germany |
| Seats3: | 18 |
| Seat Change3: | 11 |
| Popular Vote3: | 214,801 |
| Percentage3: | 18.5% |
| Swing3: | 11.1 pp |
| Map Size: | 350px |
| Minister-President | |
| Before Election: | Bernhard Vogel |
| Before Party: | Christian Democratic Union of Germany |
| After Election: | Bernhard Vogel |
| After Party: | Christian Democratic Union of Germany |
The 1999 Thuringian state election was held on 12 September 1999 to elect the members of the 3rd Landtag of Thuringia. The incumbent government was a grand coalition of the Christian Democratic Union (CDU) and Social Democratic Party (SPD) led by Minister-President Bernhard Vogel. The CDU won an absolute majority in the election and formed government alone; Vogel continued as Minister-President.
As of 2024, this is the most recent Thuringian state election, where a party received more than 50% of the vote.
The table below lists parties represented in the 2nd Landtag of Thuringia.
| Name | Ideology | Leader(s) | 1994 result | |||||
|---|---|---|---|---|---|---|---|---|
| Votes (%) | Seats | |||||||
| bgcolor= | CDU | Christian Democratic Union of Germany | Christian democracy | Bernhard Vogel | 42.6% | |||
| bgcolor= | SPD | Social Democratic Party of Germany | Social democracy | Richard Dewes | 29.6% | |||
| bgcolor= | PDS | Party of Democratic Socialism | Democratic socialism | Bodo Ramelow | 16.6% | |||
|-! colspan="2" | Party! Votes! %! +/-! Seats ! +/-! Seats %|-| bgcolor=| | align=left | Christian Democratic Union (CDU)| align=right| 592,474| align=right| 51.0| align=right| 8.4| align=right| 49| align=right| 7| align=right| 55.7|-| bgcolor=| | align=left | Party of Democratic Socialism (PDS)| align=right| 247,906| align=right| 21.3| align=right| 4.7| align=right| 21| align=right| 4| align=right| 23.9|-| bgcolor=| | align=left | Social Democratic Party (SPD)| align=right| 214,801| align=right| 18.5| align=right| 11.1| align=right| 18| align=right| 11| align=right| 20.5|-! colspan=8||-| bgcolor=| | align=left | German People's Union (DVU)| align=right| 36,386| align=right| 3.1| align=right| 3.1| align=right| 0| align=right| ±0| align=right| 0|-| bgcolor=| | align=left | Alliance 90/The Greens (Grüne)| align=right| 21,617| align=right| 1.9| align=right| 2.6| align=right| 0| align=right| ±0| align=right| 0|-| bgcolor=| | align=left | Free Democratic Party (FDP)| align=right| 13,001| align=right| 1.1| align=right| 2.1| align=right| 0| align=right| ±0| align=right| 0|-| bgcolor=|| align=left | Others| align=right| 34,996| align=right| 3.0| align=right| | align=right| 0| align=right| ±0| align=right| 0|-! align=right colspan=2| Total! align=right| 1,161,181! align=right| 100.0! align=right| ! align=right| 88! align=right| ±0! align=right| |-! align=right colspan=2| Voter turnout! align=right| ! align=right| 59.9! align=right| 14.9! align=right| ! align=right| ! align=right| |}