Yuuka Nanba is a Japanese voice actor and event MC affiliated with the talent agency Miki Production. She was born on December 20 in Shizuoka Prefecture, Japan. Her blood type is O, and she stands 161 cm tall.

Nanba has contributed her voice to several anime television series. One of her notable roles is as Cobra-Otoko in the series Ohiru no Shocker-san. She also appeared in the 2019 anime Wise Man's Grandchild, voicing the characters Marika, an entrance exam student, a girl, and a woman across multiple episodes. In 2022, she played the role of a proprietress in the anime My Master Has No Tail. Her work also includes a part as a maid in the 2021 series The World's Finest Assassin Gets Reincarnated in Another World as an Aristocrat.

Beyond anime, Nanba has voiced characters in video games. Her game credits include竜胆栞菜 in the app game アイ☆チュウ étoile stage, as well as夜叉丸 and 愛宕山太郎坊 in the app game 妖怪百姫たん. She also contributed to the game わくわくファンタジー〜はるかな世界の物語〜. Her dubbing work includes roles for Netflix and Amazon Prime projects.

In addition to her voice acting, Nanba is active as a master of ceremonies, particularly for motorcycle-related events. She has a strong personal interest in motorcycles, encompassing riding, maintaining, and watching them, and she has appeared on the cover of the magazine 単車倶楽部. Her hobbies also include tennis, watching MotoGP, stargazing, travel, and reading. She holds various certifications, including licenses for kindergarten teaching, curatorship, librarianship, and a regular automobile license, as well as grades in the Kanji Kentei and Eiken. Her father is former Grand Prix motorcycle racer and Yamaha supervisor, Nanba Kyōji.