Kanna Amasawa is a Japanese voice actor known for her work in anime television series and video games. A notable aspect of her career is her role in the 2019 science fiction anime series Kemurikusa, where she provided the voice for the character Riku. Riku is one of the sisters in the story, a character described as having an impish personality and a longing for connection with her family, who embarks on her own investigation within the series' mysterious world.

In addition to her work in Kemurikusa, Amasawa is recognized for her role in the comedy anime series Ohiru no Shocker-san. She voiced the character Shocker Rider in the third season of the show, which began airing in August 2022. This series is a short-form comedy based on the Kamen Rider franchise, offering a different genre from her role in the sci-fi adventure of Kemurikusa.

Beyond these prominent anime roles, Amasawa has also contributed her voice to the Japanese versions of several video games. Her video game credits include the characters Ivelle in the mobile game Teikoku Senki, Katrina in another mobile game titled Shinsō no Ikusa Otome, and Rina Minagawa in the 2021 console game Lost Judgment. Her birth date is recorded as April 18, though the specific year is not publicly listed.