Asuka Nishi is a Japanese voice actress born on February 10, 1988, in Hyōgo Prefecture. She has been active in the industry since 2008 and is represented by the talent agency Sigma Seven.

Nishi's career encompasses a wide variety of roles across numerous anime television series, films, and video games. She is known for her versatility, voicing characters ranging from young girls and magical creatures to more mature figures.

A significant and enduring role in her career is Shinobu Ōmiya in the beloved slice-of-life series Kin-iro Mosaic (also known as Kinmoza!). She first voiced the character in the 2013 anime and reprised the role for subsequent seasons, including Hello!! Kin-iro Mosaic, and the 2021 theatrical film Kinmoza the Movie: Thank You!!. This long-running association with a popular franchise has made the character one of her most recognizable performances.

Another notable recurring role is Ravel Phoenix in the High School DxD franchise, a part she has played across multiple seasons including High School DxD, High School DxD BorN, and High School DxD Hero. She also voices Rika Suzuki in The Devil Is a Part-Timer! series, appearing in both the 2013 season and its 2022 sequel, The Devil Is a Part-Timer!!.

Nishi's filmography includes a wide range of other television animation roles. A selection of these, as listed by the user, includes Chibi Dragon in Endro!, Naomi Randall in Scarlet Nexus, Pochi in Mahou Shoujo Nante Mouiidesukara, Tama in Magical Girl Raising Project, Hyogo Inu in 47 Todōfuken R, Elize in The 8th son? Are you kidding me?, Alma in Seirei Gensouki - Spirit Chronicles, Eri Nakamura in Arifureta - From Commonplace to World's Strongest, Eimi Akechi in The Honor Student at Magic High School and its predecessor The Irregular at Magic High School, Hakata Kanamori in Ebiten: Ebisugawa Public High School's Tenmonbu, Yua Suzuki in the Tesagure! Bukatsu-mono series, Fujii in Straight Title Robot Anime, Ursula Abramov in Bodacious Space Pirates, and Enishi in HIMOTE HOUSE: A share house of super psychic girls.

Beyond these, some of her other prominent roles include Mimosa Vermillion in the long-running series Black Clover, Anya in Is It Wrong to Try to Pick Up Girls in a Dungeon?, and Meiyui Chun in the Magia Record game and anime. She has also lent her voice to characters in major film franchises, such as Yanyan in Star Twinkle PreCure.

In addition to her anime work, Nishi has an extensive list of credits in video games, including roles in Azur Lane, Magia Record, and The Irregular at Magic High Game. Her contributions to the industry also extend to music; she released a solo single titled Honey Face in 2016. She was also part of the Suzakinishi the Animation project, a 2015 television anime adaptation of a radio show she co-hosted with fellow voice actress Aya Suzaki.