Lego Masters is an American reality competition television series that premiered on Fox on February 5, 2020. The series is based on the British series of the same name. Each episode features teams of two building Lego projects from a vast array of bricks and parts to meet both creative and practical goals set by the challenge for a particular episode. The show is hosted and executive produced by Will Arnett, who previously voiced the Lego minifigure version of superhero Batman in the Lego Movie franchise, with Lego Group creative designers Amy Corbett and Jamie Berard serving as the show's judges. Various guest stars have also served as hosts and judges.

As of September 2023, the series has been renewed for a fourth and fifth season, with the fourth season premiering that month, and the fifth season premiering in May 2025.