Giulia Santilli is an Italian voice actress and dubbing artist known for her work in animated films and live-action dubbing. She was born in Rome, Italy, on June 30, 1988, and is a graduate of the Accademia Nazionale d'Arte Drammatica Silvio D'Amico, where she earned her diploma in 2009.

In the field of animation, one of her notable roles is providing the Italian voice for the character Jun Hono in the feature film Mazinger Z: Infinity. Beyond this specific anime film, her animation dubbing work includes roles in major international animated features, such as the voice of Gertie in Ice Age: Collision Course, the voice of Sweet Tea in Cars 3, and the voice of Phyllis in The Lego Batman Movie.

Her broader voice acting career includes dubbing characters in numerous live-action films and television series, demonstrating her range as a performer. She is known as the Italian voice of Lieutenant Connix, played by Billie Lourd, in Star Wars: The Last Jedi, and of Clara Von Gluckfberg in Kingsman: The Golden Circle. On television, she has dubbed the role of Sylvia Tilly, played by Mary Wiseman, in Star Trek: Discovery, as well as characters in series such as Money Heist and Luke Cage.