Ella Rumpf (born 4 February 1995) is a Swiss actress, best known for her role as Alexia in the 2016 horror drama Raw, which won the Sutherland Award at the 2016 BFI London Film Festival. Among her other notable roles are her critically acclaimed role as Tiger in the film Tiger Girl (2017) and Hanna in The Divine Order (2017), Switzerland's submission for the Academy Award for Best Foreign Language Film at the 90th Academy Awards.

Ella Rumpf was born in Paris and grew up in Zurich, Switzerland. Her father is a psychotherapist and her mother is a teacher. Rumpf attended a Steiner school and first tried her hand at acting when she landed the lead role in Romeo and Juliet at the age of 14. She appeared in her debut film at the age of 16, titled Summer Outside, in 2011, directed by Friederike Jehn.

Rumpf was cast as Ali in the award-winning feature film War (Krieg) by Simon Jaquemet in 2014 and was nominated for Best Supporting Actress at the Swiss Film Awards. For this role she shaved her head. She attended the Giles Foreman Centre for Acting in London from 2013 to 2015 after completing her studies at the Zurich University of Applied Sciences in 2013.

Ella Rumpf starred alongside Garance Marillier in Raw (2016). In 2017 she played the lead role in Tiger Girl and a supporting role in The Divine Order (Die göttliche Ordnung). In 2022, Rumpf appeared in the HBO television series Tokyo Vice, directed by Michael Mann and written by J. T. Rogers.