1991 NCAA Division II football season

The 1991 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 in August 1991, and concluded with the Division II Football Championship on December 14, 1991, at Braly Municipal Stadium in Florence, Alabama, hosted by the University of North Alabama. The Pittsburg State Gorillas defeated the Jacksonville State Gamecocks, 23–6, to win their first Division II national title.
The Harlon Hill Trophy was awarded to Ronnie West, wide receiver from Pittsburg State.

Conference and program changes

Conference changes

One program departed Division II for Division I-AA prior to the season.

School	1990 Conference	1991 Conference
Southeast Missouri State	MIAA	Ohio Valley
Tennessee–Martin	Gulf South	Independent
Troy State	Gulf South	Independent
West Texas State	Lone Star	Dropped program
Lees–McRae	Junior college	Independent

Program changes

After Central State University changed its name to the University of Central Oklahoma in 1991, the Central State Bronchos became the Central Oklahoma Bronchos.

Conference summaries

Conference Champions

Central Intercollegiate Athletic Association – Winston-Salem State
Gulf South Conference – Jacksonville State
Lone Star Conference – Eastern New Mexico
Midwest Intercollegiate Football Conference – Butler
Missouri Intercollegiate Athletic Association – Pittsburg State
North Central Conference – North Dakota State
Northern California Athletic Conference – Sonoma State
Northern Intercollegiate Conference – Minnesota State–Moorhead
Pennsylvania State Athletic Conference – East Stroudsburg, Indiana (PA)
Rocky Mountain Athletic Conference – Western State (CO)
South Atlantic Conference – Carson-Newman
Southern Intercollegiate Athletic Conference – Alabama A&M, Clark Atlanta, Fort Valley State, Morehouse, and Tuskegee
Western Football Conference – Portland State

Postseason

The 1991 NCAA Division II Football Championship playoffs were the 19th 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 sixth time.