Cornelia Waibel is a German voice actress (synchronization) known for her extensive work in dubbing foreign-language films, television series, and video games for the German market. Born in Pforzheim, Germany, she initially pursued a career in performing arts, training as a stage actress at the Stage School Hamburg from 2001 to 2004 and working as a musical performer for several years before shifting her focus to voice acting, which led her to relocate to Berlin. Her voice is professionally categorized in the medium to low register, suitable for characters with a vocal age ranging from 18 to 45.

Within the anime and animation sector, Waibel has built a notable portfolio. She is the German voice of the Witch in the Goblin Slayer franchise, lending her voice to the character in both the television series and the film Goblin Slayer: Goblin's Crown. Another early anime role was Soriko Majikina in the series Daimidaler: Prince vs. Penguin Empire. Her anime credits are diverse and include significant roles such as Smith in Monster Musume: Everyday Life with Monster Girls, Zazan in Hunter × Hunter (2011), and Miku Kobayakawa in Keijo!!!!!!!!. She also provided the German voice for the character Pascal in the anime adaptation Nier: Automata Ver1.1a. A particularly prominent role was voicing Ritsuko Akagi in the Netflix redub of the classic series Neon Genesis Evangelion, as well as its associated films Death & Rebirth and The End of Evangelion.

Beyond anime, Waibel's voice is widely recognized from live-action series and major video game productions. She has voiced characters in series such as After Life, The Rookie, SEAL Team, and Halo. In the gaming world, she is well-known for voicing the Gerudo champion Urbosa in the critically acclaimed titles The Legend of Zelda: Breath of the Wild, Hyrule Warriors: Age of Calamity, and Tears of the Kingdom. Her other video game work includes roles in the Assassin's Creed and Far Cry franchises.

Her career is marked by a high degree of versatility and productivity, having voiced over 500 roles. She frequently collaborates with various German dubbing studios and directors, with her work on the Goblin Slayer series representing a recurring role under the direction of different studios for its first and second seasons. In addition to synchronization, her professional activities encompass voice-over work for documentaries, commercials, e-learning modules, audiobooks, and radio plays, and she has operated her own recording studio since 2008.