Marta Covas is a Spanish voice actor known for her work dubbing anime series into both Spanish and Catalan for broadcast in Spain and Catalonia. Her extensive career encompasses a wide variety of roles, ranging from young boys and girls to more mature characters across numerous popular franchises.

Covas has provided the Spanish voice for a significant number of anime characters. She is the voice of Sanae Tsukimoto in the series Teasing Master Takagi-san and played Tatta in the film Buddha: The Great Departure. One of her notable earlier roles was as the voice of Little My in the Spanish dub of Tanoshii Moomin Ikka. Her repertoire also includes Valeriano in the 1992 series Calimero, Mito Yamada in Hanappe Bazooka, and the character Ceres in the Pokémon Generations web series. In the localized Spanish version of Smile Pretty Cure!, titled Glitter Force, she voiced the character Chloe Rose, also known as Glitter Azul. Her work also extends to the Pokémon franchise, where she was the long-time Catalan voice of the protagonist Ash Ketchum.

Beyond these roles, Covas has contributed her voice to many other well-known anime. Her credits include providing the Spanish voice for Kanao Tsuyuri in Demon Slayer: Kimetsu no Yaiba, Emma in the film Steamboy, and Kaoru Kamiya in the Catalan dub of Rurouni Kenshin: The Motion Picture. She has also been involved in dubbing for major series such as Dragon Ball Z, One Piece, and Inuyasha, demonstrating her versatility and long-standing presence in the Spanish dubbing industry.