Nao Tōyama (東山 奈央, Tōyama Nao, born March 11, 1992) is a Japanese voice actress and singer affiliated with the agency Intention. Before joining Intention, she was affiliated with Arts Vision. She debuted as a voice actress in 2010, and played her first leading role for the anime series The World God Only Knows. She is also known for her roles as Chitoge Kirisaki in Nisekoi, Yui Yuigahama in My Youth Romantic Comedy Is Wrong, As I Expected, Tomoe Koga in Rascal Does Not Dream of Bunny Girl Senpai, Karen Kujō in Kin-iro Mosaic, and Rin Shima in Laid-Back Camp. In 2019, she won the Best Supporting Actress Award with Yū Serizawa and the Game Award in the 13th Seiyu Awards.
Her music career began when she released songs for The World God Only Knows under her character name Kanon Nakagawa. She later made her solo debut as a singer on February 1, 2017, with the release of the double A-side single "True Destiny" / "Chain the World" under the Flying Dog label. She also voiced a member of the music unit Walküre, which performed songs as part of the Macross franchise.