Arantxa Aráiztegui is a Spanish former voice actress known for her work in anime dubs during the 1990s, primarily for Spanish-language adaptations. Her professional activities as a voice actress appear to have been part of a broader career that also included work as a statistician before she transitioned to education.

She graduated in Statistics from the Universitat de Barcelona-Universitat Politècnica de Catalunya (UB-UPC) and worked in that field alongside her dubbing career. Her voice acting credits are associated with dubbing studios in Spain, including Alamis Doblaje and Triveu, with distribution often handled by companies like Manga Films. Her known active period in dubbing was in the mid-1990s, with her work on titles released between approximately 1992 and 1996. In 1998, she shifted her professional focus to become a secondary education teacher.

Aráiztegui's voice acting filmography consists of roles in Spanish dubs of anime original video animations (OVAs) and specials. One of her notable roles was as the voice of Yuri Sakazaki in the Spain dub of the Art of Fighting special. She also provided the voice for the character Shoko Aida in the OVA series Hyper Doll. Her work on the OVA Trouble Evocation included the role of Sadina for the first Spanish dub. Additionally, she had multiple roles in the OVA The Tales Trilogy, where she is credited for voicing Girl A, Kyouko's Sister, and a Wife character in various episodes of the Spain dub.

Her other voice acting credits include the role of Ellen Swartz and Lisa Siegel in the Spain dub of Black Jack The Movie, and Sophie Silverman in the Spain dub of City Hunter 3. Her dubbing work appears to consist primarily of these roles for Spanish anime adaptations during a concentrated period in the 1990s. After leaving the voice acting industry, she pursued a career in education.