Nanaka Suwa (born November 2, 1994) is a Japanese voice actress and singer from Saitama Prefecture, Japan. A member of the 15th class of A&G Academy, she made her voice-acting debut in 2013 after passing an audition for a Chō! A&G+ radio program. In 2014, she was also active in the duo Supreme Daydream, and on April 8, 2015, she joined Amuleto.
She is best known for voicing Kanan Matsuura in Love Live! Sunshine!! and for performing as part of Aqours. As a member of Aqours, she shared the Singing Award at the 11th Seiyu Awards in 2017. Alongside her voice-acting work, she has released music through Universal Music Group and performed "Fine Days," the ending theme of "Shinmai Renkinjutsushi no Tenpo Keiei."