Kacey Musgraves is an American singer and songwriter who has one voice acting credit, providing the voice for a character in an English-language dub of an animated feature from the renowned Japanese studio, Studio Ghibli. Her involvement with the studio marks her sole entry into the field of anime voice acting to date.

Musgraves voiced the character of Earwig's Mother in the English language version of the 2020 Studio Ghibli film Earwig and the Witch. This role served as her debut performance as a voice actor. The film, directed by Goro Miyazaki, was Studio Ghibli's first fully computer-animated feature and was based on the novel by Diana Wynne Jones. In addition to her voice work, Musgraves also performed the English language version of the film's theme song, Don't Disturb Me. Her participation in the project was noted as a personal milestone, stemming from a long-held appreciation for the studio's films. Aside from this single role, there are no other records of her providing voices for anime productions.