Katrin Jaehne is a German actress and voice actor. She provided the German voice for the character Kaori in the 2012 anime adaptation of Junji Ito's horror story GYO: Tokyo Fish Attack, also known as Gyo: Der Tod aus dem Meer. In this production, she voiced the role for the original Japanese actor Mirai Kataoka.

Beyond this role, Jaehne has voiced characters in several other anime series for the German market. Her anime voice work includes the character Inshun Houzouin in Samurai Bride, a role for original actor Satomi Satou. She also voiced Helen Shino in Sankarea: Undying Love, for the original actor Shiori Mikami, and took on a small role as a schoolgirl in the series Kämpfer. Additional anime credits include a role as Saya in The Virgin Psychics and as a character identified as Mädchen #2 in an episode of Super Sonico: The Animation.

Jaehne's voice acting career extends to a wide variety of live-action films and television series. She has contributed to the German dubs of notable films such as Boyhood, 12 Years a Slave, and Zulu. Her television voice work includes roles in popular series like Two and a Half Men, Dexter, New Girl, Orange Is the New Black, and Chicago P.D..

Born in Luckenwalde on June 29, 1987, Katrin Jaehne trained as an actress at the Europäischen Theaterinstitut in Berlin from 2007 to 2010. Alongside her voice work, she is an established stage and screen actress, having performed in various theaters in Berlin and Dresden and taken on television roles in productions such as Tatort and the series SOKO Potsdam.