Olga Aguirre is a Spanish voice actor and dubbing director with over two decades of professional experience in the entertainment industry. Based in Zaragoza, Spain, she has built a career that encompasses a wide range of voice-over work, including animation, advertising, radio, audiobooks, and video games. In addition to her performance work, Aguirre also works as a director in dubbing, radio, and sound fiction, and operates her own professional home studio.

Aguirre's voice is characterized as warm and versatile, with the ability to perform a broad spectrum of character ages, from children to seniors. Her native language is Spanish, and she is also proficient in providing accents such as Iberian Spanish.

In the realm of anime, Aguirre is known for her contributions to Spanish-dubbed versions of several titles from the 1990s. Her notable roles include Saki Midorikawa in the series Parade Parade, Shinji Nakaoka in the film Barefoot Gen, Ria in the series Trouble Evocation, Yumi Miyagawa in My Sexual Harassment, and Tsuchiya in Slight Fever Syndrome. These roles span a variety of genres, from historical drama to supernatural comedy, highlighting her adaptability as a performer. Her work on titles such as Trouble Evocation was produced at the Alamis Doblaje studio.