Claudia Nieto, also known as Claudia Nieto Valery, is a Venezuelan-American voice actress, theater actress, and announcer born on January 2, 1971. She began her career in dubbing after being introduced by voice actor Orlando Noguera, who was her neighbor and invited her to audition at the Etcétera Group dubbing studio where she later received training. With more than thirty years of experience, she has established a career that spans anime dubbing, corporate voice work, and theater performance.

In the field of anime, Nieto is recognized for her performance as Martina Zoana Mel Navratilova in the series Slayers NEXT, an original character exclusive to the television adaptation who is a princess and later queen seeking revenge on Lina Inverse. She also voiced Mireille Bouquet, one of the two protagonists, in the series Noir. Her other significant anime roles include Olivier Mira Armstrong in the Animax version of Fullmetal Alchemist: Brotherhood, Batichica in Batman: The Animated Series, Helba in.hack//SIGN, Misaki Kagura in Steel Angel Kurumi 2, Tsubasa Maijima and Ursabrum in Matantei Loki Ragnarok, Hera in GetBackers, Madam Freesia in Black Cat, Nanami in xxxHOLiC, and the narrator in Mushishi. She has also performed various voices in series such as S-CRY-ed, Hell Girl, Excel Saga, Galaxy Angel, and Hugo, el rey del judo.

Beyond her anime work, Nieto has served as the exclusive voice for two important subscription television channels, including The Biography Channel and HBO Plus. Her extensive live-action dubbing credits include providing voices for actresses such as Adriana Esteves, Gloria Pires, and Claudia Ohana, as well as roles in series including Dexter as Lauren Vélez, Penny Dreadful as Billy Piper, Younger as Debbie Mazar, and the film Bride of Chucky as Jennifer Tilly. She has also been heard in documentaries, such as portraying Whitney Houston in Whitney: Can I Be Me, and in reality television series like The Face as Naomi Campbell. In addition to her voice acting, Nieto is a voice coach and trainer, teaching workshops on emotional delivery for advertising and digital marketing as well as documentary narration for emerging talent.