Marta Amat is a voice actor known for her work in dubbing animated series and films, particularly into Spanish and Catalan. Her professional activities are primarily documented through the credits of various anime and animation projects released in Spain.

One of her notable roles is providing the voice for the character Aoyama in the anime film Penguin Highway. Her work on this film encompassed both the Spanish and Catalan language dubs. Her involvement in the industry also includes voicing the lead child character in the Catalan dub of the animated film Deep Sea.

In addition to her work in film, Amat has lent her voice to several other anime series and projects. Her credits for Spanish dubs include the role of May White in the Netflix original anime series Hero Mask, and Lisa in the series Divine Gate. For the Catalan dub, she voiced the character Mehr in the Inazuma Eleven GO 2: Chrono Stone television series. She is also credited with providing the Spanish voice for Emiri in the stop-motion series Rilakkuma's Theme Park Adventure.