Urszula Sara Zielińska (born 3 October 1977) is a Polish social and political activist, member of the Sejm, and co-chair of The Greens. Since 2023, she serves as the Deputy Minister of the Climate and Environment.^[1]

Zielińska graduated in management and marketing from the Academy of Leon Koźmiński in Warsaw.^[2] She obtained her master's degree in 2003.^[3] She lived and worked, among others, in Germany and Great Britain.^[4] She became a marketing manager for a company.^[1] She is fluent in English and German. She participated in protests against the logging of the Białowieża Forest and was involved in the Save Women project.^[2] She took part in the protests against Polish judiciary reforms. She is a member of the national board of the Green Party and the board of the Warsaw Center group. She is the author of the program entitled "Poland without smog", proposed by the Green Party.^[2]

Zielińska unsuccessfully ran in the 2019 European Parliament election in Poland,^[4] obtaining 7,783 votes.^[5] In the 2019 Polish parliamentary election, she was elected as a member of the Sejm for the 9th term on the list of the Civic Coalition^[6] as part of the Green Party^[7] (she received 7,536 votes in Warsaw I constituency).^[8]