Nathalie Karsenti is a French voice actor known for her work in dubbing foreign-language productions, including anime series and films, for the French-speaking market. Her career in voice acting began after she was invited for a dubbing test by Danielle and Déborah Perret, a pivotal moment that led her to focus entirely on this craft following a key role as the voice of Anne Hathaway's character in the series La Famille Green.

While Karsenti is widely recognized for providing the French voices for numerous live-action actresses such as Eva Mendes, January Jones, and Zoe Saldaña as Gamora in the Marvel Cinematic Universe, she has also contributed to several notable animated and anime projects. One of her prominent anime roles is Helena in the 2023 series Pluto. Her other credits in the anime genre include voicing Mari Mutō, the mother in the original Netflix series Japan Sinks: 2020, and Miyuki Haruno in the Bakuman. anime series. She also provided the French voice for Gamora in the Disney+ animated series What If...?.

In addition to her work on Japanese anime, Karsenti's animation portfolio includes the role of Deidre Dennis / Dee-Dee in the animated film Batman Beyond: Return of the Joker and an original voice for the 2023 animated film Mars Express. Beyond her performance career, she created and hosted a program titled Il était une voix, which focuses on the art of dubbing and features interviews with fellow voice actors.