The third season of the HBO television series Boardwalk Empire premiered on September 16, 2012 and concluded on December 2, 2012, consisting of 12 episodes.

The series was created by Terence Winter and based on the book Boardwalk Empire: The Birth, High Times and Corruption of Atlantic City by Nelson Johnson.

Set in Atlantic City, New Jersey, during the Prohibition era, the series stars Steve Buscemi as Enoch "Nucky" Thompson (based on the historical Enoch "Nucky" Johnson),[1] a political figure who rose to prominence and controlled Atlantic City, New Jersey, during the Prohibition period of the 1920s and early 1930s.

Michael Pitt, Aleksa Palladino, Paz de la Huerta and Dabney Coleman all departed the cast.

[15] Another aggregator website, Rotten Tomatoes, reported 89% of critics gave the third season a score of 8.7/10, based on 45 reviews, with the site consensus stating "As hot-headed mobster Gyp Rosetti, Bobby Cannavale brings a sense of danger and energy to this season of Boardwalk Empire, which remains lavish, twisty, and violent.