| Office: | Member of the Landtag of Rhineland-Palatinate |
| Term Start: | 2011 |
| Birth Place: | Bad Sobernheim |
| Party: | Bündnis Sahra Wagenknecht (since 2024) |
| Otherparty: | Alliance 90/The Greens (1984 to 2022) |
| Alma Mater: | University of Kassel |
Andreas Hartenfels (born 20 August 1966) is a German politician. He is a member of Bündnis Sahra Wagenknecht and previously the Alliance 90/The Greens. He has been a member of the Landtag of Rhineland-Palatinate since 2011.
After graduating from high school in 1985, Hartenfels studied urban and landscape planning at the University of Kassel, graduating in 1990 with a degree in landscape planning. From 1990 to 1992, he then trained as a senior building inspector for landscape management in the . From 1992 to 1995, he again attended the University of Kassel, graduating with a degree in landscape ecology. Since 1996, he has been a self-employed urban and landscape planner with his own planning office in Nanzdietschweiler.
Hartenfels joined the Alliance 90/The Greens party in 1984.[1] He has been a member of the Kusel district council since 1996 and was the parliamentary group spokesman for Alliance 90/The Greens until 2021. He has been a member of the Rhineland-Palatinate state parliament since 2011. He was chairman of the Committee on Economic Affairs, Climate Protection, Energy and Regional Planning, a member of the Committee on Environment, Forestry, Agriculture, Food and Viticulture, and the specialist policy spokesman for the environment and nature conservation, construction/housing and regional planning for the Green parliamentary group. In the 18th legislative period, he is a member of the Committee on Climate, Energy and Mobility and a member of the Committee on Environment and Forestry.
On 27 October 2022, Hartenfels resigned from the Alliance 90/The Greens party and at the same time left the parliamentary group. He justified his resignation with the decisions made by a majority at the Federal Delegates' Conference in October 2022 as a result of the Russian invasion of Ukraine, mainly due to the decision to supply heavy weapons to Ukraine and further due to the decisions on nuclear power plants and investments in the Bundeswehr.[2]
In January 2024, Hartenfels joined the Bündnis Sahra Wagenknecht.[3]