Rosalía Díaz is a Spanish voice actor known for her work in dubbing, particularly for anime and animated series. She is recognized for providing the Latin American Spanish voice for the character Midari Ikishima in the anime series Kakegurui.

Her career in voice acting includes a range of roles in different genres. In 2018, she voiced the character Sophia Moon in the television series Ghost Wars. That same year, she also took on the role of Ingrid Avellan-Cortez in the animated series Spy Kids: Mission Critical. Her portrayal of Midari Ikishima in Kakegurui, a student known for her extreme and risky behavior, is one of her notable credits in anime dubbing.

Beyond animation and series dubbing, Díaz has an extensive career as an audiobook narrator. She has narrated numerous titles across various genres, including works by authors such as Megan Maxwell, Andrea Longarela, and Elle Cosimano. Her narration work includes titles like Pasa la noche conmigo, El color de las cosas invisibles, and the Finlay Donovan series, demonstrating her versatility and sustained activity in the Spanish-language audiobook industry.