Risa Ohki (大木 理紗, Ōki Risa?), also known under the alias Ririko Yamabuki (山吹 理々子, Yamabuki Ririko?), is a Japanese vocalist, known in the Final Fantasy community for her performance in the Vocal Collections albums Final Fantasy: Pray and Final Fantasy: Love Will Grow.
Ohki is able to perform in various languages, including her native Japanese, English, French, Portuguese, and Italian.