Arisa Kōri is a Japanese voice actress affiliated with Aoni Production. She was born on March 13 in Osaka Prefecture. Her path to voice acting began in her childhood when she joined the NHK Osaka Children's Theater at the age of eight, a formative experience she maintained for six years. She later graduated from the Faculty of Humanities at Kansai University, where she majored in Integrated Humanities, and also completed her training at the CALESS singing and dance school. Kōri is a graduate of the 32nd class of Aoni Juku, the training school for her eventual agency.

Kōri's professional career began in 2016 with minor roles in anime such as Cheer Boys!!. Her first named character role came in 2017 when she voiced a character in the long-running series Detective Conan, a franchise she has cited as a personal favorite. A significant breakthrough in her career was being cast as Kaori Sakuramori in the popular The Idolmaster Million Live! multimedia franchise, a role that has become a cornerstone of her professional identity. This role involves extensive voice work for games, character songs, and live concert performances, showcasing her singing and dancing abilities.

Her anime portfolio includes a variety of supporting and main roles. In 2018, she voiced Chiho Kagari, the younger sister of the male lead, in the short-form romantic comedy My Sweet Tyrant (also known as Akkun to Kanojo). The same year, she took on the role of Chuyun in the Chinese-Japanese animated series Voice of Fox. A more recent notable role is Yawara Naekawa in the 2022 anime series Shine Post. Beyond anime, Kōri has an active career in video games, with leading roles such as Regret in Caligula 2 and Chloe Tang in Engage Kill.

Kōri has a recurring collaboration with the The Idolmaster franchise, which has led to numerous musical releases and live events. She also appears frequently in productions by Toei Animation, having voiced multiple minor characters across several years in long-running series like One Piece and GeGeGe no Kitaro.

Notable achievements in her career include her consistent selection for main and recurring roles in major franchises. Her work in the The Idolmaster Million Live! franchise is particularly significant, involving her in large-scale live concerts and multiple music CD releases, including character songs like Hummingbird and group performances with units such as Angel Stars and 4Luxury. This has solidified her presence not just as a voice actress but also as a performer in the music and live entertainment aspects of the anime industry.