Melanie Manstein is a German voice actress and actress, born in 1972. She has been active in the dubbing industry since the early 1990s, providing German voices for a wide array of actresses in film and television, as well as characters in animated and anime series.

In the realm of anime, Manstein is known for her long-standing role as Professor Birch in the Pokémon series, a character she has voiced since 1999. She also provided the German voice for the character Sheena in the Pokémon film Arceus and the Jewel of Life. Beyond Pokémon, her other prominent anime roles include various characters in the Sailor Moon franchise, such as Mimet, Anne, and Sailor Iron Mouse. She also lent her voice to Lala in the series DoReMi, Rip van Winkle in Hellsing, and Miss Valentine in One Piece.

Her work in German dubbing extends far beyond animation. Manstein is the regular German voice for numerous international actresses, having dubbed Jennifer Love Hewitt, Jessica Biel, and Isla Fisher in many of their film and television roles. A notable recurring collaboration includes voicing Linda Park's character, Hoshi Sato, in the series Star Trek: Enterprise. Her extensive filmography includes dubbing for live-action series such as Sister, Sister, Sabrina the Teenage Witch, Law & Order: Special Victims Unit, and Jane the Virgin.

In addition to her work in film and television dubbing, Manstein is an active audiobook and radio play narrator. Her work in this field includes titles such as Die Ärztin von Rügen, the Flora Flitzebesen series, and various Mimi Rutherfurt mysteries. She has also appeared on screen in German television series, with guest roles in productions like Derrick, Hausmeister Krause, and Der Alte.