Lourdes Arruti is a Mexican voice actor, director, and adapter known for her extensive work in Latin American Spanish dubs of anime and live-action productions. She is also credited professionally as Lulú Arruti or Lou Arruti. Her career encompasses a wide range of prominent roles in popular anime series, demonstrating her versatility in bringing diverse characters to life.

In the world of anime, Arruti is recognized for voicing several key characters. She plays the antagonistic Myne Sophia in The Rising of The Shield Hero, Iron Maiden Jeanne in the 2021 Shaman King series, and Arrow in the Fire Force anime. She also voices Micona Zol in Suppose a Kid From the Last Dungeon Boonies Moved to a Starter Town and portrays a different character also named Jeanne in The Case Study of Vanitas. Her repertoire includes the role of Kaeru, also known as Kiki Asukai, in ID: INVADED and Arisa Uotani in the 2019 Fruits Basket series. Other notable anime credits include Milo in revisions, O-Natsu in Genbanojō, and the lead role of Marnie in the Studio Ghibli film When Marnie Was There. Beyond these, her voice can be heard as Kobayashi in Miss Kobayashi's Dragon Maid, Nana in DARLING in the FRANXX, and Luculia in Violet Evergarden, among many others.

Arruti's talent extends to live-action dubbing and video games. She is notably the Spanish voice of the popular character Sombra in the video game Overwatch. Her film dubbing work includes roles in major productions such as Capitana Marvel, Tenet, and Ángeles de Charlie. In addition to her on-screen roles, Arruti has taken on leadership positions in dubbing projects. She has served as the dubbing director and adapter for the Latin American Spanish version of the film The First Slam Dunk and as the ADR director for the anime series Heavenly Delusion.