2006 in NASCAR

There were three NASCAR national series in 2006:

• 2006 NASCAR Nextel Cup Series - The top racing series in NASCAR.
• 2006 NASCAR Busch Series - The second-highest racing series in NASCAR.
• 2006 NASCAR Craftsman Truck Series - The third-highest racing series in NASCAR.

Preceded by 2005 in NASCAR

NASCAR seasons 2006

Succeeded by 2007 in NASCAR