Carol-Anne Day is a Canadian voice actress born on March 26, 1986, in Calgary, Alberta. She began her career in voice acting for English-dubbed anime in 2001 at the age of 14, with most of her early and foundational work being for the Calgary-based Blue Water Studios. Her career in the industry has since spanned numerous projects, encompassing anime series, video games, and other animated features.

Day is known for a wide variety of roles, often voicing main characters in several notable series. Among her most recognized performances are Fiona Elisi Linette in Zoids: Chaotic Century and its sequel Zoids: Guardian Force, and Mai Tokiha in the popular series My-HiME and My-Otome, a role she has cited as one of her favorites. She also provided the voice of Menchi in the 1999 version of Hunter x Hunter and Nobue Ito in Strawberry Marshmallow. Within the Gundam franchise, she is known for voicing Four Murasame in Mobile Suit Zeta Gundam and Allenby Beardsley in Mobile Fighter G Gundam. Her repertoire also includes Yanagi Sakoshita in Flame of Recca, Misaki Tokura in the Cardfight!! Vanguard series, and Teenage Chi-Chi in the Blue Water dub of Dragon Ball.

She voiced Marsha Rizarov in the series D.I.C.E. and its video game adaptation. She played Paruko Nanana across multiple installments of the Future Card Buddyfight franchise, including the original series, Buddyfight Battsu, and Buddyfight 100. Other confirmed roles include Freesia Yagyu in Jubei-Chan 2: The Counterattack of Siberia Yagyu and Minako Tominaga in Doki Doki School Hours. Regarding the character Navigator in MegaMan Maverick Hunter X: The Day of Sigma, records indicate that Day contributed additional voices to the project, though not specifically in that named role.

Beyond anime, Day has also lent her voice to various video games. Her game credits include Marino in Mega Man X: Command Mission, additional voices in Mega Man Powered Up, and roles in titles such as A Hat in Time, Dynasty Warriors: Gundam 2 and 3, and Inuyasha: The Secret of the Cursed Mask. She has also done work in western animation, such as voicing Rosetta in an episode of The Little Prince.

Outside of voice acting, Day is also a musician. She is involved with an indie rock band named Bellewether, for which she provides lead guitar and songwriting. In 2018, after many years with Blue Water Studios, she and her husband, fellow voice actor Lucas Gilbertson, co-founded a Calgary-based production company called Hermit Collective with the aim of creating more opportunities for local performers.