Yoshino Nanjō is a Japanese voice actress and singer born on July 12, 1984, in Shizuoka Prefecture. She began her career as a voice actress in 2006 and has since become recognized for a wide range of roles in anime series, as well as for a significant parallel career as a singer.

Nanjo's voice acting career includes a variety of characters across different series. She is known for the role of Eli Ayase in the popular franchise Love Live! School idol project. Other major roles include Kokoro Akechi in Tantei Opera Milky Holmes, Shirabe Tsukuyomi in Senki Zesshō Symphogear XV, and Akiho Senomiya in Robotics;Notes. Her filmography also features roles such as Aiko Kudō in Baka and Test - Summon the Beasts, Maaya Awatsuki in A Certain Scientific Railgun T, Panpaka in the Panpaka Pants series, and Lala in the Yatogame-chan Kansatsu Nikki series. In addition to anime, her voice work extends to video games and animated films.

Throughout her career, Nanjo has been involved in recurring collaborations, most notably with the music group fripSide, which she joined as the second vocalist in 2009, and as a member of the voice actress idol group μ's from the Love Live! project. Her work with fripSide includes performing popular theme songs for anime series such as "only my railgun" for A Certain Scientific Railgun and "sister's noise" for A Certain Scientific Railgun S. She also launched a solo singing career in 2012. In 2022, she graduated from fripSide to focus on her solo work.

Her achievements in the industry have been recognized with awards. In 2015, she was a recipient of the Best Singing Award at the 9th Seiyu Awards as part of μ's. In 2019, she received the Influencer Award at the 13th Seiyu Awards.