Matthew Berkowitz is an American film director, writer, and producer. He has written and directed three feature films.

The Madness Inside Me is a 2021 American psychological thriller film written and directed by Matthew Berkowitz. Merrin Dungey stars as Madison Taylor, a forensic psychiatrist whose husband is killed during a home invasion by Francis Tate. However, Taylor refuses to identify the murderer and instead stalks him as she contemplates her conflicted feelings about both her husband's death and his murderer. It premiered at the 2020 Oldenburg International Film Festival. The Madness Inside Me was later acquired by Gravitas Ventures and was released on digital platforms, Blu-ray, and DVD on September 3, 2021.