The Man Next Door (Spanish: El hombre de al lado) is a 2010 Argentine comedy-drama thriller film directed by Mariano Cohn and Gastón Duprat.

The movie opens with a scene of a sledge hammer creating a hole on a wall that serves as a divider between the houses of two men.

Leonardo (Rafael Spregelburd) is a rich and successful designer with a passion for architecture.

The conflict of the movie arises when Leonardo discovers that Victor is building a window on the dividing wall.

The film also won awards for Best Movie, Best Direction, and Best Original Script at Premios Sur in 2011.