 2006 Cincinnati Bengals season

The 2006 Cincinnati Bengals season was the franchise's 37th season in the National Football League, the 39th overall, and the fourth under head coach Marvin Lewis.It began with the team trying to improve on their 11–5 record in 2005, defending their AFC North Division Championship title, and progress further through the playoffs than they made in the 2005 season having lost to Pittsburgh in the 1st round after losing star quarterback Carson Palmer to injury on the second play of the game.