Leon Niihama (新浜レオン, Niihama Reon), birth name Yuki Takajō), born May 11, 1996, in Chiba, Japan, is a Japanese enka and kayōkyoku singer, who debut on the first day of Reiwa, on 1 May 2019 and is currently signed under Kaikyo Record label, subsidiaries of B Zone.

[5] Four days after the debut, he become the main host of his own television show "Hajimemashite, Boku, Niihama Leon Desu!"

[7] In 2020, he won "34th Japan Gold Disc Awards" in the "Best Enka/Kayokyoku New Artist" category.

[8] In 2022, his single Tukamaete Konya served as an opening theme to the anime television series Case Closed: The Culprit Hanzawa.

[10][11] In 2023, he made acting debut in the television drama Gekoku Juukyuuji.