Margarita Coego is an American voice actor, translator, and singer born in Miami, Florida, to Cuban parents. She spent her childhood in Venezuela before moving back to Miami at the age of twelve, where she began her professional career. Coego started working in voice dubbing and voice-overs in 1998 for networks such as Showtime, Nickelodeon, and the now-defunct Locomotion channel.

Her extensive body of work spans animation, live-action series, and films, primarily in Spanish-language dubbing for the Latin American market. She is notably recognized for her long-standing involvement with the animated series South Park, for which she also provided adaptation work. Her roles in the series included voicing Liane Cartman, Wendy Testaburger, Mayor McDaniels, and Principal Victoria across various seasons and redubs. Beyond South Park, her animation credits include voicing Mama Cosma in the first season of The Fairly OddParents and providing additional voices for the series Glitter Force. She also voiced the character Adelita Guerrero in the English version of the animated series Villainous.

In the realm of anime, Coego has contributed her voice to several titles. She provided the voice for Yōko and additional voices in the anime series Let's Dance With Papa. A more recent role includes voicing the character Mineko in the English version of the anime series Waka Okami wa Shōgakusei!.

Her work extends beyond acting to include voice direction and adaptation. She served as a director for the Latin American Spanish dubbing of South Park's eighth season and adapted the series' eighth and ninth seasons. Her live-action dubbing credits include roles in series such as The L Word, Californication, Nurse Jackie, and Doctor Who. She has also worked as a voice actor for various studios in Miami, including BVI Communications Inc. and The Kitchen Inc.. In addition to her work in Spanish, Coego currently performs dubbing work primarily in English.