Tom Mason is a fictional character and protagonist of the TNT television series Falling Skies. The character is played by Noah Wyle. Falling Skies tells the story of the aftermath of a global invasion by several races of extraterrestrials that neutralizes the world's power grid and technology, quickly destroys the combined militaries of all the world's countries, and apparently kills over 90% of the human population within a few days. Mason is one of the leaders of the 2nd Massachusetts Militia Regiment, a group of survivors fighting against the aliens.

Falling Skies is an American science fiction television series set in a post-apocalyptic era, created by Robert Rodat and executive produced by Steven Spielberg. The series stars Noah Wyle as Tom Mason, a former history professor who becomes the second-in-command of the 2nd Massachusetts Militia Regiment, a group of civilians and fighters fleeing Boston following an alien invasion that devastated the world.