Sarah Kaltenborn is a German voice actress known for her work in dubbing, particularly for anime series and films. Her career is primarily documented through her numerous roles in German-language versions of international productions.

A significant portion of Kaltenborn's work is in the anime genre. She is most recognized for voicing the character Kuzuha Togashi in the German dubs of the Love, Chunibyo & Other Delusions franchise. This includes the original television series, its sequel Love, Chunibyo & Other Delusions -Heart Throb-, and the feature film Love, Chunibyo & Other Delusions! Take on Me. In this series, she also provided the voices for additional characters, such as Chimaera and various child roles.

Her other notable anime voice roles span a variety of series. She voiced Ikazuchi and Nohana Saku in the 2022 German dub of Maken-Ki! Battling Venus. In I've Somehow Gotten Stronger When I Improved My Farm-Related Skills, she lent her voice to the character Julia. Her credits also include the role of Kana Satoyama in Ippon Again!, Setsu in Yohane the Parhelion: Sunshine in the Mirror, and Nonoka Shirai in The Dreaming Boy is a Realist. She was also part of the cast for the film Anime Supremacy!.

Beyond anime, Kaltenborn's dubbing work includes the role of Gwen Stevens in the film Home Sweet Home and the voice of the character Camille in the popular animated series LEGO Ninjago - Masters of Spinjitzu. She also voiced a character in the 2014 animated film TinkerBell and the Pirate Fairy.

Her body of work demonstrates recurring collaborations within the German dubbing industry, often providing German voices for the performances of Japanese actresses such as Kaori Fukuhara and Kanae Oki across multiple projects. Kaltenborn continues to be active in the field, with dubbing credits for projects released as recently as 2024.