Jacksonville State University (NCAA Division II)
Men's Basketball (1985)
Baseball (1990, 1991)
University of Wisconsin-Whitewater (NCAA Division III)
Men's Basketball (1984, 1989)
Football (2007, 2009, 2010)
Note 1: The NCAA does not officially sanction a football national championship in FBS / Division I
Note 2: Jacksonville State now competes at FCS / Division I
Stanford and Maryland
I don't know the complete list, but I do know that Michigan State was the first D-1 university to win two championships in both basketball and football. Florida is another one.
Yes As Of Monday April Second 2007
Florida in 2006 is it. Michigan State University 1950 and 60's in football. '79 and '00 for basketball.
It varies between schools. But the top sports are football, basketball, track, volleyball, and baseball.
Ucla at the school he was a four letter athlete baseball. Basketball. Football. Track
Appalachian State University