Claudia Eisinger was born in Berlin on September 22 1984. While studying at the renowned Ernst Busch drama school in Berlin, she made her first appearances on stage and on film. She had parts in Roland Lang's "Armee der Stille – La Isla Bonita" (2006) and the road movie "Polska Love Serenade" (2008), and in 2007, she became a company player at the Schauspielhaus in Düsseldorf. She later joined the Staatsschauspiel in Dresden (2008/09) and the Deutsche Theater in Berlin (2009 until 2011).

Along with her stage career she regularly acted for film and television. Opposite Max Riemelt, Robert Gwisdek and Alexander Fehling she was the female lead in the acclaimed comedy "13 Semester", and was awarded the "Günter-Strack-Fernsehpreis" for Best Newcomer for her performance. She went on to play the assistant to a record producer who falls in love with a wannabe gangster rapper in the Hip Hop comedy "Blutzbrüdaz" (2011). Eisinger also appeared in supporting roles in the TV crime dramas "Lösegeld" (2012) and "Geld regiert die Welt" (2012). After portraying the wife of a career Nazi in Friedemann Fromm's "Nacht über Berlin – Der Reichtagsbrand" (2013), Claudia Eisinger starred in the romantic comedy "Drei Stunden", playing a eco-activist who learns that her best friend is secretly in love with her.

Following major roles in the TV productions "Harry nervt" (2014) and "Ein todsicherer Plan" (2014, TV), Eisinger starred in the ensemble comedy "Wir sind die Neuen" (2014). She next had supporting roles in the award-winning TV drama "Der Fall Bruckner" (2014) and the comedy "Chuzpe – Klops braucht der Mensch!" (2015).

In 2016, Eisinger played a pivotal role in the darkly comic thriller "Sex & Crime" before taking on the lead role in the screen adaptation of the bestselling novel "Mängelexemplar".