Fairmont Firebirds
Michigan State Spartans
In Division I football, according to the 2008 NCAA Division I football records manual, the record is 40 and held by Nebraska (1962-2001) and Notre Dame (1889-1932, Notre Dame did not field teams in 1890 and 1891). Click on the 'NCAA Division I Football Records' link below to see the manual. You will need Adobe Reader to be able to view it.
alabama
20
Not sure if they are the top but university of miami went undefeated many, many times...id go with them
SEC
oklahoma
Alabama
Florida Gators
Wisconsin
LSU