Tomoyo Kurosawa is a Japanese actress, voice actress, and singer born on April 10, 1996, in Saitama Prefecture, Japan. She began studying acting at the age of three and started her career as a child actor, appearing in television dramas, commercials, and stage productions from the year 2000. Her early stage work included performances in musicals such as Mozart! in 2005. From 2008, she became a support member of the musical project Sound Horizon, appearing in their concerts and providing vocals for their 2010 story CD, Märchen.

Kurosawa made her debut as a voice actor in the 2010 animated film Welcome to the Space Show, where she played the role of Natsuki Koyama. Her first regular role in a television anime series came in 2012 with the character Otome Arisugawa in Aikatsu!. In 2015, she landed her first leading role as Kumiko Omae in the Kyoto Animation series Sound! Euphonium, a performance that would become one of her most iconic and critically acclaimed. She voiced this character across multiple television seasons and several films, including Liz and the Blue Bird and the final film in the series.

Her career is marked by a wide range of significant roles across various genres. She has voiced protagonists and key characters such as Phosphophyllite in Land of the Lustrous, Amiya in the Arknights anime adaptations, Rebecca in Cyberpunk: Edgerunners, Mitsumi Iwakura in Skip and Loafer, and Göll in Record of Ragnarok. In the long-running BanG Dream! franchise, she is the voice of Misaki Okusawa and her mascot alter-ego, Michelle. Other notable roles include Saya in Wandering Witch: The Journey of Elaina, Quitterie Raffaëlli in Astra Lost in Space, Ordinary Person in Akudama Drive, and young Vash the Stampede in Trigun Stampede.

Kurosawa has demonstrated recurring collaborations with specific franchises and production companies. Her work in Kyoto Animation productions, particularly the Sound! Euphonium series and its related films, represents a significant and long-term partnership. She has also been a consistent presence in the BanG Dream! multimedia project since 2017, and she regularly reprises her role as Amiya in the various anime adaptations of the Arknights game. Her filmography also includes roles in other major franchises like My Hero Academia, Mobile Suit Gundam, and The IDOLM@STER.

For her performance as Kumiko Omae in Sound! Euphonium, Kurosawa was awarded the Best Lead Actress award at the 12th Seiyu Awards in 2018. This recognition is a high honor in the Japanese voice acting industry and cemented her status as a leading talent. Her work has continued to receive nominations, including recognition from the Anime Trending Awards for her roles in Skip and Loafer and Undead Girl Murder Farce.

Outside of voice acting, Kurosawa is skilled in jazz dance, tap dance, and playing the guitar, having been a member of her high school's light music club. She graduated from Hosei University in 2019. After being affiliated with Mausu Promotion for many years, she transferred to Toho Entertainment in August 2021. She announced her marriage in June 2023.