Carolyn Miller is a Canadian-born narrator and voice actor based in Japan, affiliated with the talent agency Liberta. She was born in Toronto, Canada, and studied philosophy and political science at Concordia University in Montreal. After completing her university education, she pursued voice training in both Canada and the United States before relocating to Japan to begin her career.

In Japan, Miller has built a career providing character voices for anime and video games, as well as narration for educational programs, corporate videos, documentaries, and commercials. Her versatility as a voice artist is demonstrated by her work across multiple series and formats.

One of her most consistent acting roles is in the anime series Little Charo and its sequel, Little Charo 2. In the original Little Charo, she provided the voices for the characters Chris and John. She returned for Little Charo 2, voicing Chris, Colone, and Lahk. Her work in original net animation (ONA) includes the role of Tetra in Phantasy Star Online 2 Comic and the role of Minime in Trip Trek. She also voiced the role of Girl's Mother and Schoolboy A in the anime Fastening Days.

Beyond her anime appearances, Miller has extensive credits as a voice actor in English-language versions of Japanese video games. Her game roles include Cecille in Arc Rise Fantasia, Corellia and other characters in Baten Kaitos: Eternal Wings and the Lost Ocean, a Female Agent in Elite Beat Agents, and the characters Girl and Marco in Cooking Mama: World Kitchen. Her other game credits include Kai in Elebits, Karaoke Bomber in Super Bomberman R, Kyoka Hazawa in Ace Combat: Joint Assault, and Maria and background voices in Shining Force Neo, as well as Pastel, Tablet, Telepin and Prick Bird in Graffiti Kingdom.