Paqui Horcajo is a Spanish voice actor with a career spanning over three decades, primarily known for her work in dubbing animation and video games into Spanish. She is recognized for lending her voice to a variety of characters in anime series and animated films for the Spanish market.

Her notable roles in anime include the character Mast Cell in the Spanish dub of the popular series Cells at Work!. In the same series, she also provided the voice for Senpai Red Blood Cell. In the anime Glitter Force Doki Doki, she voiced the character Davi, as well as a character named Fran. Her work also extends to animated features, such as providing the Spanish voice for Bella Abati in the film Dante's Inferno: An Animated Epic.

Beyond these specific anime and animation roles, Horcajo has an extensive career in video game dubbing. She has been the Spanish voice for characters in major titles, including EVE in Stellar Blade, Yuna in Ghost of Tsushima, Sarah Irene in Days Gone, and Aphrodite in God of War. In 2024, her performance as EVE in Stellar Blade earned her the award for Best Dubbing Actress at the Alfa Beta Awards, which recognize talent in the video game industry.