Matthew Greenbaum is an American voice actor and adaptation writer known for his work on English dubs of anime series and video games. Born in 1987, he is based in the United States and has been active in the voice-over industry, contributing to productions for major distributors like Crunchyroll.

In addition to his on-screen voice roles, Greenbaum frequently works behind the scenes as an adaptation writer, responsible for localizing Japanese scripts into English. His writing credits include the English dubs of several prominent series, such as Shy, Date A Live V, Spice and Wolf: Merchant Meets The Wise Wolf, and Sasaki and Peeps.

As a voice actor, Greenbaum has been credited with a variety of roles. He voices Masaki Amakazu in the fantasy adventure series Orient, which premiered in 2022. He also contributed additional voices for the long-running series Black Clover in 2017. His work extends to video game voice acting, with roles in major titles such as Genshin Impact and Final Fantasy VII Rebirth.