Hiroko Taguchi is a Japanese voice actress born on March 29, 1974, in Kanagawa Prefecture, Japan. She is affiliated with the talent agency Tokyo Actor's Consumer's Cooperative Society (Haikyo). Taguchi began her career after entering the Haikyo Voice Actors Studio as part of its eighth generation in 1995. In addition to her primary name, she is known for using several pseudonyms in her work, including Sakura Takatsuki, Rika Fujiwara, Momiji Akizuki, and Kōri Natsuno.

Taguchi has built a substantial career spanning television animation, original video animations (OVAs), and video games. In television anime, she is recognized for leading roles such as Miyako Miyamura in the ef series, Sora Kasugano in Yosuga no Sora, Amane Suou in The Fruit of Grisaia franchise, Haruna Yuuki in Fortune Arterial: Akai Yakusoku, and Gisela in Kyo Kara Maoh!. Her other notable TV roles include Sakura Hiromi in Lamune and Lisa Eostre in Walkure Romanze.

Her voice work is also prominent in OVAs and original video games, a field where she often performs under her various pseudonyms. Some of her well-known OVA roles include Aki Aoi in Aki Sora: Yume no Naka and Sayuka Kōenji in Beat Angel Escalayer. She has an extensive list of game credits, with significant recurring roles including Kagami Sumika in the Muv-Luv franchise, Monica Raybrant in Dark Chronicle, Sakura Hiromi in the Lamune games, and Hermione in Azur Lane. She also voiced Hinata Natsumi in Sharin no Kuni, Himawari no Shōjo and Kamuchataaru in Utawarerumono: Chiriyukumonotachi he no Komoriuta.

Beyond individual roles, Taguchi has formed recurring collaborations with certain production teams and fellow voice actors. In 2013, she formed a musical unit named pastel with fellow voice actress Akane Tomonaga. Her long-standing career has made her a familiar presence in the industry, particularly for her work in adaptations of visual novels and her cheerful soprano voice.