Maria Koschny is a German voice actress born in Berlin on March 24, 1981. She has built a extensive career in dubbing, providing the German voice for a wide array of characters in anime series and films, as well as for many actresses in live-action productions.

Koschny's voice is featured prominently in several major anime franchises. She voices the Insect Hashira, Shinobu Kocho, in the popular series Demon Slayer: Kimetsu no Yaiba. In the Sword Art Online universe, she is the German voice of the Integrity Knight Fanatio in the Alicization - War of Underworld arc. Her other notable anime roles include Hadaly Lilith in the film The Empire of Corpses, Dia Cadence in Appleseed XIII, and Shirley Fenette in the Code Geass series. She has also lent her voice to characters in long-running series such as Naru Narusegawa in Love Hina, Maya Ibuki in the various Evangelion releases, and Suigintou in Rozen Maiden.

Beyond these, her extensive filmography includes roles in Murder Princess as Anna/Yuna, Itsudatte My Santa! as Mai, Rumiko Takahashi Anthology as Yukari, Step Up Love Story as Yura, and Black Jack as the Princess, among many others. She is also the German voice for Lillian Weinberg in Dr. Stone and Nico Hirata in Call of the Night.

In addition to her anime work, Koschny is widely recognized as the official German dubbing voice for actress Jennifer Lawrence, whom she has voiced in numerous films including The Hunger Games series, X-Men, and Passengers. She also provides the German voice for actresses like Mischa Barton, Kristen Stewart, and Gemma Arterton.

Koschny is also an accomplished audiobook narrator. Her work has earned her critical recognition, including a nomination for the German Audiobook Prize in 2012 and winning the award for Best Interpreter in 2015.