Bárbara Bustamante is a Chilean actress, singer, and voice artist known for her work in Spanish-language dubs of anime and other media. She is also professionally known by the name Bárbara Usagi, a persona she uses in her work related to video games and Japanese culture. Born in Santiago, Chile, her background includes studies in English, communication, and acting.

Bustamante has built a career as a voice actress for cartoons, movies, and television series. Her work in anime spans several notable titles, often for Chilean Spanish dubs. She is known for voicing the character Maria in the film Words Bubble Up Like Soda Pop. She has a recurring association with the Little Witch Academia franchise, providing the voice for the character Barbara in the original movie, the television series, and the film The Enchanted Parade. Other significant anime credits include roles as Shiro and Azriel in No Game, No Life Zero, and multiple characters across different dubs of the long-running series Detective Conan, including Yoko Okino in the Chilean dub.