Masahide Fuse is a Japanese voice actor born on March 8, 1980, in Tokyo, Japan. He is affiliated with the talent agency ALBA. His career has been active since approximately 2006. Fuse's body of work is primarily concentrated in the medium of video games and radio dramas, distinguishing his career path from voice actors who work extensively in traditional anime television series. He also uses the alias Andou Souji for work in adult-oriented games and anime.

Fuse is most recognized for his role as Lyner Barsert, the protagonist of the Ar tonelico franchise. He first voiced the character in the 2006 video game Ar tonelico: Melody of Elemia and subsequently reprised the role for its drama CD adaptations, spanning multiple volumes, and its original video animation. His association with the series continued with the crossover video game Cross Edge, in which he again provided the voice for Lyner Barsert.

Beyond his signature role, Fuse's other notable voice work is largely found in video games and radio. He voiced Mathiu Silverberg in the radio drama Radio Genso Suikoden: Assemble! 108 Stars!. His video game credits include the role of Unseel in Armored Core 4, Mr. Harnel in Fortune Summoners -Arche's Spirit Stone- Deluxe, and Lorch Feurholden in Granado Espada. He also participated in the radio program Dimension Zero Radio.

His most significant achievement remains his central role in the Ar tonelico series, which stands as the cornerstone of his public profile as a voice actor. His hobbies include watching stage productions and movies, as well as enjoying Chinese tea.