The 2012 Allstate BCS National Championship Game was a postseason college football bowl game between the Alabama Crimson Tide and the LSU Tigers, and determined the national champion of the 2011 NCAA Division I FBS football season on Monday, January 9, 2012, at the Mercedes-Benz Superdome in New Orleans, Louisiana. The game was part of the 2011–2012 Bowl Championship Series and a rematch of regular season foes. Alabama beat LSU 21–0 to win their 14th national championship, marking the first shutout in a national championship game since the 1992 Orange Bowl and the first ever shutout in a BCS bowl game. The game had the third-lowest TV rating, 14.01, in the 14-year history of the BCS National Championship game.

The BCS National Championship Game, or BCS National Championship, was a postseason college football bowl game, used to determine a national champion of the NCAA Division I Football Bowl Subdivision (FBS), first played in the 1998 college football season as one of four designated bowl games, and beginning in the 2006 season as a standalone event rotated among the host sites of the aforementioned bowls.