Libby Rue is an American voice actor known for her work in English-language dubs of anime and animated series. A California native, Rue was raised in Orange County, California, and began performing in local musical theatre productions at the age of five. Her introduction to voice-over work came in 2019, and within nine months of her first audition, she was cast in her first lead role.

Rue is best known for playing the title character in the Disney Junior animated series Alice's Wonderland Bakery. In the field of anime, she is recognized for her lead role as the voice of Totsuko Higurashi in the 2024 film The Colors Within. For this role, she performed not only the character's dialogue but also new English adaptations of the film's songs. The film's English dub cast announcement in December 2024 confirmed her alongside co-stars Kylie McNeill and Eddy Lee.

Rue also contributed to the English dub of the 2022 anime film Mobile Suit Gundam: Cucuruz Doan's Island, where she voiced the characters Dana and Lupe. Her other voice acting credits include the role of Alice in Alice's Wonderland Bakery. Information regarding recurring industry collaborations and formal notable achievements is not available.