| Honorific-Suffix: | MLC |
| Office1: | Deputy leader of the Victorian Greens |
| Term Start1: | 23 April 2024 |
| Leader1: | Ellen Sandell |
| Predecessor1: | Ellen Sandell |
| Alongside1: | Sam Hibbins until |
| Office2: | Member of the Victorian Legislative Council for Western Victoria Region |
| Term Start2: | 26 November 2022 |
| Predecessor2: | Andy Meddick |
| Office3: | Councillor, City of Greater Geelong for Brownbill Ward |
| Term Start3: | 27 October 2017 |
| Term End3: | 26 November 2022 |
| Successor3: | Melissa Cadwell |
| Party: | Greens |
| Alma Mater: | London School of Economics |
| Residence: | East Geelong, Victoria, Australia |
| Profession: | General Practitioner Politician |
| Signature: | Sarah Mansfield signature 2023.svg |
Sarah Mansfield is an Australian politician from Geelong, Victoria. A member of the Greens, she has been a member of the Victorian Legislative Council since the 2022 Victorian state election, representing the Western Victoria Region.[1]
Before her election, she was a councillor for the City of Greater Geelong, first elected in 2017 and again re-elected in 2020.[2] She also worked as a general practitioner. Mansfield was also a candidate in the 2016 Australian federal election for the Corio Electorate.