María Isabel Fidalgo Suárez, known professionally as Isabel Fidalgo, is a Spanish voice actress recognized for her extensive work in Galician and Spanish dubbing. She began her career in 1983 and has since become a prominent figure in the industry in Galicia, with a career spanning over four decades.

Fidalgo's body of work is broad, encompassing animation and live-action dubbing. In the realm of anime, she is known for providing the Spanish dub voice for the character Laura Gaine in the 1982 Japanese animated film Future War Year 198X. Her other anime credits for Spanish dubs include roles in the series Forest of Piano and as Councillor Anai in ID-0.

Beyond anime, her dubbing career in Galician is particularly notable. She was the voice of the title character in A Escrava Isaura, which was the first telenovela to be broadcast in Galician on the regional television network TVG. She also famously dubbed the character Sue Ellen Ewing for the Galician version of the series Dallas. In film, she is the regular Galician dubbing voice for actress Sigourney Weaver, a role that garnered public recognition when Weaver acknowledged the work of dubbing actors during the Goya Awards ceremony.