Sidonie von Krosigk (born October 21, 1989, in Munich) is a German actress.

At the age of just seven, von Krosigk made her screen debut in the film *Die Rache der Carola Waas*. She landed her first lead role in 1998 in *Verschwinde von hier*. She achieved national recognition in 2002 with the title role in the feature film *Bibi Blocksberg*. For her portrayal of Bibi Blocksberg, she received the Children's Media Award for Best Young Actress. Two years later, she reprised the lead role in *Bibi Blocksberg und das Geheimnis der blauen Eulen*.

In addition to her work in front of the camera, she also worked as a voice actress, notably providing the German voice for the protagonist in the anime film *Spirited Away* (*Chihiros Reise ins Zauberland*).

Beginning in 2010, she studied acting at the University of Music and Performing Arts Frankfurt am Main. For the 2014/15 season, she secured her first permanent engagement at Theater Ulm, where her roles included Luise Miller in *Intrigue and Love* (*Kabale und Liebe*).

In 2022, she took on the lead role in the short film *Unter der Welle* by Veronika Hafner, earning a nomination for Best Young Actor at the Max Ophüls Prize Film Festival. Since 2023, she has appeared in the ZDF crime series *Der Alte* as a forensic pathologist.

Sidonie von Krosigk has been married since 2016, has two children, and hails from the noble family of Krosigk.