Matthew Miller is a Canadian screenwriter and producer. He is also a contractual university lecturer. Miller's work has been featured at international film festivals and has garnered awards at TIFF, Sundance, and Berlin.

Miller achieved widespread acclaim for the feature film BlackBerry (2023), co-written with Matt Johnson, which premiered in competition at the 73rd Berlin International Film Festival, and won 14 Canadian Screen Awards, including Best Motion Picture. Miller has also produced Nirvanna the Band the Show the Movie and Mile End Kicks (both 2025), and he co-wrote the screenplay for Johnson's forthcoming Tony (2026) for A24.