| Birth Date: | 29 December 1971 |
| Birth Place: | Altstätten, Switzerland |
| Party: | Patriotic Union |
| Children: | 3 |
| Office: | Mayor of Vaduz |
| Term Start: | 2023 |
| Predecessor: | Manfred Bischof |
| Deputy: | Florian Meier |
| Term End: | 24 May 2024 |
| Successor: | Florian Meier (Acting) |
Petra Miescher (born 29 December 1971) is Swiss–Liechtensteiner nurse and politician who has served as mayor of Vaduz from 2023 to 2024.
She attended high school in Vaduz, and from 1990 to 1993 she trained as a nurse at the St. Gallen children's hospital. From 1993 to 2023 she worked as a nurse in the same hospital, and also in Sydney from 2009 to 2011. From 2013 to 2018 she was a member of the Liechtenstein Crisis Intervention Team and also a board member of the Safe Liechtenstein Association from 2020 to 2023.[1]
From 2019 to 2023 she was a municipal councilor in Vaduz and was elected mayor of the municipality following the 2023 Liechtenstein local elections as a member of the Patriotic Union party.[2] She resigned as mayor on 24 May 2024, amidst health concerns.[3] Her role has been filled by her deputy Florian Meier, until a new mayor is elected on 25 August 2024.[4]
Miescher married teacher Daniel Miescher (born 23 February 1967) on 1 September 1995 and they have three children together.