Though the NCAA does not determine an official national champion for Division I FBS football, several ACC members have achieved a national championship through the Associated Press, the Coaches Poll, or the Bowl Championship Series.
Clemson-1981 (the Associated Press Poll and the Coaches Poll)
Florida State-1993 (the Associated Press Poll and the Coaches Poll), 1999 (Bowl Championship Series)
Georgia Tech-1990 (the Coaches Poll)
Maryland-1953 (the Associated Press Poll and the Coaches Poll)
Miami-1983, 1987, 1989, 1991 (the Associated Press Poll and the Coaches Poll), 2001 (Bowl Championship Series)
*Italics denote championships won before the school joined the ACC.
USC
In 1997 Nebraska and Michigan shared the title.
Yes ... Troy won the NAIA national championship in 1968 and the NCAA Division II national championship in 1984 and 1987.
Bob Stoops, Oklahoma won a national championship in his second season
The Bulldogs have never won the BCS championship game but they were voted National Champions in 1980.
No ACC softball team has won a national championship.
North Carolina, Duke, NC State and Maryland.
Florida defeated Oklahoma in the 2009 BCS championship in Miami but it was for the 2008 season. Alabama won the national championship in 2009.
In 1990 Georgia Tech and Colorado shared the national championship.
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Gerry McNamara
USC
Yes, they won the ACC Championship. They beat the Clemson Tigers to claim the title.
Hawaii
North Carolina, Duke, NC State and Maryland
yes
The Duke Blue Devils in NCAA Men's Basketball