Mason Verger is a fictional character and the main antagonist of Thomas Harris's 1999 novel Hannibal, as well as its 2001 film adaptation and the second and third seasons of the TV series Hannibal. In the film, he is portrayed by Gary Oldman, while in the TV series he is portrayed by Michael Pitt and Joe Anderson.

Hannibal is a psychological horror novel by American author Thomas Harris, published in 1999. It is the third in his series featuring Dr. Hannibal Lecter and the second to feature FBI Special Agent Clarice Starling. The novel takes place seven years after the events of The Silence of the Lambs and deals with the intended revenge of one of Lecter's victims. It was adapted as a film of the same name in 2001, directed by Ridley Scott. Elements of the novel were incorporated into the second season of the NBC television series Hannibal, while the show's third season adapted the plot of the novel.