Matthew Miller is a Canadian screenwriter, producer, and advocate for women in film. 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 International Film Festival.

BlackBerry is a 2023 Canadian biographical comedy-drama film directed by Matt Johnson from a script by Johnson and producer Matthew Miller and is the most nominated film in the history of the Canadian Screen Awards. It was loosely adapted from Jacquie McNish and Sean Silcoff's book Losing the Signal: The Untold Story Behind the Extraordinary Rise and Spectacular Fall of BlackBerry. The film is a fictional account of the creation of the BlackBerry line of mobile phone by co-founders Douglas Fregin and Mike Lazaridis, and investor Jim Balsillie. Lazaridis is portrayed by Jay Baruchel, Balsillie is portrayed by Glenn Howerton, and Fregin is portrayed by Johnson. It also stars Rich Sommer, Michael Ironside, Martin Donovan, Michelle Giroux, SungWon Cho, Mark Critch, Saul Rubinek, and Cary Elwes in supporting roles.