Masami Ito is a Japanese voice actor best known for voicing the character Izumi Sena in the multimedia franchise Ensemble Stars!. He has been the dedicated voice for this character across various media, including the original mobile game, anime adaptations such as Ensemble Stars!! Road to Show!!, and stage events. Ito's involvement with the franchise extends to live performances and dedicated programs like Monthly Ensemble Studio!, where he has appeared alongside other cast members.

Beyond his voice work, Ito is involved in the entertainment industry as a performer and creative. Since 2007, he has been a member of the entertainment unit bpm, which also includes fellow Ensemble Stars! voice actor Shintaro Asanuma. He also runs a theater company named Shingekidan Yumemei Classics and an event production company called GS.AC, and he contributes to stage direction for Ensemble Stars! live performances. His lengthy tenure voicing Izumi Sena is marked by annual public birthday messages to the character, demonstrating a sustained engagement with the role from at least 2015 through 2024.