Yuna Taniguchi is a Japanese voice actress born on August 17, 1994, in Osaka Prefecture. She is affiliated with the agency Arts Vision, having joined after graduating from the Japan Narration Acting Institute, which she attended during her second year of high school. Her career began in 2014, with her debut role as Gromazen R9 in the anime series Robot Girls Z.

Taniguchi has built a diverse portfolio across anime television series, films, and video games. She secured her first major lead role in a television anime in 2019, portraying Nao Nanao in the basketball series Ahiru no Sora. Her other notable anime roles include Hiyori Sugiura in Circlet Princess, Sakura Yamano in Those Snow White Notes, and Yuka in the PuniRunes series. In the Alice Gear Aegis franchise, she voices Tōka Shimoochiai, also known as Momoka Shimoochiai, a role she has played in both the video game and the anime adaptation Alice Gear Aegis Expansion.

In the realm of video games, her work includes voicing Cham Cham in Samurai Shodown, Mireille Lerner in White Cat Project, and a long-standing role as Momoka Shimoochiai in Alice Gear Aegis since 2018. She has also contributed to digital comics, such as providing the voice of a young Izuku Midoriya in My Hero Academia.

Taniguchi shares her agency with several other voice actors who debuted around the same time, including Daiki Hamano, Hiyori Nitta, and Shiori Mutō. She is known by the nickname poyo, which was given to her by fellow Arts Vision voice actress Asami Shimoda. Her personal interests include singing karaoke, styling hair, and mental arithmetic, and she speaks with a Kansai dialect.