Katharina Stark is a German voice actor known for her work in dubbing foreign-language films and series for a German-speaking audience. Information about her career is primarily documented through her credited roles in German-language releases.

Her most prominent and widely recognized voice role in animation is providing the German voice for the character Mizore Yoroizuka in the 2018 anime film Liz and the Blue Bird. The film is a spin-off from the Sound! Euphonium series, produced by Kyoto Animation and directed by Naoko Yamada. In this coming-of-age story, Mizore Yoroizuka is a reserved high school student and talented oboe player whose complex relationship with her friend and fellow band member, Nozomi Kasaki, is central to the plot. The German dubbed version of the film was produced by the studio Mo Synchron in Munich, with dialogue direction by Madeleine Stolze, and was released on home video in Germany in September 2019.

Beyond her work on Liz and the Blue Bird, Katharina Stark's credits as a voice actor include roles in live-action productions. According to dubbing database records, she voiced the character Susan 'Stargirl' Caraway, originally played by Grace VanderWaal, in the films Stargirl (2020) and its sequel Hollywood Stargirl (2022). Currently, available documentation does not indicate any recurring collaborations with specific directors, nor list any major industry awards or other notable achievements in the field of voice acting. Her body of work, as reflected in public records, consists of this limited number of roles.