Yumi Hara is a Japanese voice actress and former singer born on January 21, 1985, in Osaka Prefecture. She has been active in the voice acting industry since 2008 and is affiliated with the talent agency Arts Vision. Prior to her entertainment career, Hara worked as a postal clerk while taking acting courses in her spare time. She ultimately decided to pursue voice acting full-time and moved to Tokyo.

Hara's debut role was Takane Shijō in the video game The Idolmaster SP in 2008, a character she would continue to portray across numerous installments of the franchise, including the television anime, theatrical films, and original net animations. This role served as a significant foundation for her career. She is also widely recognized for her portrayal of Albedo in the Overlord series, a role she has played consistently across its multiple television seasons, films, and spin-off series such as Isekai Quartet. Another frequently voiced role is Aleksandra Ivanovna "Sasha" Pokryshkin in the Strike Witches franchise, appearing in various television series, films, and OVAs.

Hara's filmography is extensive and spans a wide range of genres. Notable anime roles include Kyoka Eden in Scarlet Nexus, Atui in Utawarerumono: Mask of Truth, the Brigadier in Magical Girl Spec-Ops Asuka, Yumi in the Senran Kagura series, Marielle in Log Horizon, Lilith Asami in Trinity Seven, Alicia Crystella in How NOT to Summon a Demon Lord, Kosame Amagai in Magical Girl Site, Kumi Jōro in Kakushigoto, Ueda in Heaven's Design Team, Jun Takahashi in Ms. Koizumi loves ramen noodles, Eri Hanae in Shomin Sample, and Yuuko Kanoe in Dusk Maiden of Amnesia.

In addition to her work in anime, Hara has contributed her voice to numerous video games. Prominent game roles include Kazumi Mishima in Tekken 7, Akane Murokasa in Blue Archive, Anastasia in Fate/Grand Order, and characters in the Atelier, Toukiden, and Corpse Party series.

Hara was also active as a solo singer from 2012 to 2018. During this period, she released multiple singles and albums, and performed theme songs for several anime series in which she also voiced characters. She announced a hiatus from her singing career in December 2017 to concentrate on voice acting.