Ariadna de Guzmán is a Spanish voice actor known for her work in anime dubs, primarily for the Spanish and Catalan markets. Her career encompasses a wide range of roles in television series, original video animations, and feature films. While information about her training and early career is not detailed in the available sources, her extensive filmography demonstrates a consistent presence in the voice acting industry in Spain.

A significant portion of her credited roles comes from dubbing Japanese anime. She voiced Guiying Li in the Spanish dub of the series Godzilla Singular Point. Her involvement in the Bakugan franchise includes voicing both Barbara Kouzo and Phaedrus in Bakugan Battle Planet. She also took on the role of Dusk in the film Tekkonkinkreet. In the series Dual! Parallel Trouble Adventures Special, she provided the voice for Yayoi Schwael, and she voiced Amaru Ryuudou in Sohryuden - Legend of the Dragon Kings.

Her body of work extends beyond the specific titles mentioned, showcasing her versatility across different genres and formats. For example, she has voiced characters in long-running and popular series such as Hikari Horaki in the Manga Films dub of Neon Genesis Evangelion, Megumi Hanajima in the Catalan dub of Fruits Basket, and roles in the Catalan dubs of the InuYasha films and The Final Act as Kohaku. She has also contributed to dubs of films like your name. and Mirai for Catalan audiences. Other credits include roles in BEASTARS, Boogiepop Phantom, Cardcaptor Sakura: Clear Card, and Shaman King (2021). This extensive list indicates a sustained and prolific career as a dub actor in Spain.