Marionna Schlatter (14 November 1980) is a Swiss politician of the Green Party of Switzerland, and a former member of the Cantonal Council of Zurich and current member of the National Council.

She was born to a Swiss father and Hungarian mother[1] and attended primary school in Bäretswil and secondary school in Wetzikon.

[1] Following she enrolled into the University of Zurich studying History of Art and Architecture, Sociology and French, graduating with a MSc in 2007.

[1] She was the campaigner for the Youth wing of the Green Party between 2008 and 2010 and the President of the Green Party of the Canton Zurich from 2011 until 2020.

[5] She is currently a member of the board of directors of the Zurich branch of the Green Party.