María del Rosario Zamora Palomino, known professionally as Rosario Zamora, is a Chilean voice actress, television actress, and dubbing director born on October 18, 1961 in Santiago de Chile, though some sources note she was born in Peru. Before specializing in dubbing, she studied acting at the Academia de Teatro de Fernando González and gained recognition for her on-screen roles in Chilean telenovelas during the late 1980s and early 1990s, including Semidiós in 1988 and Bravo in 1989. Shifting her focus to voice work, she became one of the first actresses in Chile to pursue dubbing as a primary career and has since worked extensively on international series and films.

Zamora is best known to anime audiences for her work in the Latin American Spanish dubbing industry, where she has voiced several prominent characters. She is the voice of Ryoko Hakubi across multiple installments of the Tenchi Muyo! franchise, including the original Tenchi Muyo! series, Tenchi Muyo! Ryo-Ohki, and Tenchi in Tokyo. She also portrayed Miyuki Kobayakawa, the intelligent and mechanically gifted police officer, in the series You're Under Arrest. Her other anime roles include Arimi Suzuki in Marmalade Boy, Stephanie in Orphen, and Sandra in the Chilean dub of the Space Adventure Cobra movie. In addition to these, she voiced a role in the Chilean dub of the television series Little Witch Academia.

Beyond performing, Zamora has contributed to the dubbing industry as a director, serving as the dubbing director for the AEDEA studio production of Space Adventure Cobra - The Movie. She has also shared her expertise as an educator, teaching dubbing for films and narration for documentaries at the Provoz dubbing school in Chile, where she helps train new generations of voice talent.