Izumi Masuda (増田 いずみ, Masuda Izumi?) is a Japanese opera soprano known in the Final Fantasy community for her performance of Final Fantasy XI's expansion set Chains of Promathia's ending theme, "Distant Worlds".
Graduated from the Kunotachi College of Music, she has entered various singing competitions, earning her a spotlight in performing for a number of opera and classical pieces. She has released three albums as a solo artist all to great critical acclaim Heal my Heart, Red Swan, and Romeo & Juliet, the latter which included "Distant Worlds", amongst other key arrangements of well-known classical compositions such as Beethoven's "Pathétique" (titled "Beethoven's Love") a nocturne by Frédéric Chopin, and a rhapsody by Sergei Rachmaninoff.
Masuda performed live "Distant Worlds" during the concert VOICES: Music from Final Fantasy.