Marta Martorell is a Spanish actress and voice actor, recognized for her extensive work in dubbing for both Spanish and Catalan language versions of films and television series. Her career in dubbing began in 1959, and she has remained active in the field for decades. She is the mother of Marta Tamarit and María del Mar Tamarit, who are also involved in dubbing.

Martorell's voice is frequently associated with the actress Angela Lansbury, whom she has dubbed in numerous projects including the series Murder, She Wrote and the animated film Anastasia. Her work in dubbing for animation is particularly notable, with a long list of credits for Disney films. She provided the Spanish voice for characters such as Mrs. Potts in Beauty and the Beast, Grandmother Willow in Pocahontas, and Fa Zhou's wife in Mulan.

In the realm of anime dubbed into Spanish, Martorell has contributed her voice to a range of series and films. Among her roles is Àvia in the film Taro the Dragon Boy. She is also credited as the voice of Kelly Stownar, the retired governess, in the Spain dub of the anime series Emma: A Victorian Romance. Another notable anime role is Sarah Fuller in the Spain dub of the special Helen Keller Monogatari: Ai to Hikari no Tenshi. Her other anime dubbing credits in Spanish and Catalan include characters in series such as Hello! Sandybell, Inuyasha, and Ranma ½.

Beyond voice acting, Martorell has also appeared as an on-screen actress in television series, including a role in the long-running Spanish medical drama Hospital Central.