The 2005 NCAA Division II football season, part of college football in the United States organized by the National Collegiate Athletic Association at the Division II level, began on August 27, 2005, and concluded with the NCAA Division II Football Championship on December 10, 2005, at Braly Municipal Stadium in Florence, Alabama, hosted by the University of North Alabama. The Grand Valley State Lakers defeated the Northwest Missouri State Bearcats, 21–17, to win their third Division II national title.
The Harlon Hill Trophy was awarded to Jimmy Terwilliger, quarterback from East Stroudsburg.
Conference changes and new programs
Stillman completed their transition to Division II and became eligible for the postseason.
Conference standings
Northeast Region
Southeast Region
Northwest Region
Southwest Region
Conference summaries
Postseason
The 2005 NCAA Division II Football Championship playoffs were the 32nd single-elimination tournament to determine the national champion of men's NCAA Division II college football. The championship game was held at Braly Municipal Stadium in Florence, Alabama for the 18th time.