Miu Tomita is a Japanese voice actress and singer born in Saitama Prefecture on November 15, 1999. She is affiliated with the talent agency Amuse and made her debut as a voice actress in 2015.

Her interest in voice acting began during elementary school after watching the anime series Vampire Knight, and she also became a fan of voice actor Mamoru Miyano during this time. In 2014, she was a finalist in the Ani-Tan voice acting audition and won the Grand Prix at the Voice Actor Artist Development Program Selection audition held that same year. Her debut role came in 2015 with minor parts in the anime television series Himouto! Umaru-chan, including voicing the protagonist Taihei Doma as a child in a flashback scene.

Tomita secured her first major role in 2016 as Otako in the anime television series Please Tell Me! Galko-chan, where she also performed the opening theme alongside Azumi Waki and Minami Takahashi. That same year, she was cast as Yume Nijino in Aikatsu Stars!, which became her first main role in a series. She also narrated a commercial for the series. Also in 2016, she voiced Roberto Lewis in the anime film Garo: Divine Flame.

In 2017, Tomita experienced significant career momentum, securing leading roles in multiple series. She was cast as Gabriel White Tenma in Gabriel DropOut, performing the opening theme Gabriel Dropkick and ending theme Hallelujah Essaim with her co-stars. She also portrayed Kuina Natsukawa in Hinako Note. Her performance as Riko in the critically acclaimed series Made in Abyss, particularly in its tenth episode, received praise for her acting skills.

Tomita's career has continued to expand with numerous prominent roles across anime, films, and video games. Her notable anime roles include Rizu Ogata in We Never Learn, Miko Iino in the Kaguya-sama: Love Is War series, Crimvael in Interspecies Reviewers, Midori Ono in After School Dice Club, Nonoka Sugiura in Iwa-Kakeru! -Sport Climbing Girls-, Akari Seto in Otherside Picnic, Emma Brightness in The Hidden Dungeon Only I Can Enter, Alice Kisaragi in Combatants Will Be Dispatched!, and Chuatury Chuchu Panlunch in Mobile Suit Gundam: The Witch from Mercury. She also voiced the female version of Matsuri Kazamaki in Ayakashi Triangle.

In film, Tomita has appeared in multiple Made in Abyss compilation films and the sequel, Made in Abyss: Dawn of the Deep Soul, reprising her role as Riko. She voiced Funifura in the film KonoSuba: God's Blessing on this Wonderful World! Legend of Crimson. In the 2021 original anime film Hula Fulla Dance, directed by Seiji Mizushima, she played the supporting role of Ranko Takigawa, a novice hula dancer at the Spa Resort Hawaiians. She also appeared in High School Fleet: The Movie as Sachiho Sunny Chiba.

Her work extends to video games, where she has voiced characters including Chloe in Granblue Fantasy, Lalafin Nonomiya in Shōjo Kageki Revue Starlight -Re LIVE-, Hinata Kinugawa in Onsen Musume, Akira Sunazuka in Idolmaster Cinderella Girls: Starlight Stage, Kafka in Arknights, Shimiko Endo in Blue Archive, USS New Jersey in Azur Lane, the female protagonist Shez in Fire Emblem Warriors: Three Hopes, and Layla in Genshin Impact.

Tomita has demonstrated versatility in her vocal performances, ranging from comedic roles to more serious characters. She is known for her ability to draw illustrations, often creating and sharing pictures of characters she voices or enjoys. She also holds a black belt in karate.

In addition to her voice acting career, Tomita made her major debut as a singer under the label Nippon Columbia with the release of the single Present Moment on November 25, 2019, which served as the opening theme for the anime series After School Dice Club. Her official fanclub, called plus you, was launched on June 30, 2021, coinciding with the release of her first album, Prologue.