no
UNLV 1991
The last men's team to go undefeated during the regular season and win the tournament was Indiana in 1976.
Illinois, Ohio state, kansas, North Carolina
The University of Tennessee Lady Volunteers basketball team was undefeated in the 1997-1998 season. The team won the NCAA Championship and had a record for the season of 39-0.
The last women's team to go undefeated and go on to win the national championship was the 2001-2002 Connecticut Huskies that went 39-0. Tennessee Volunteers were undefeated in 1998 and wre also 39-0.
San Francisco, 1956 (29-0)
Michigan is undefeated this year, and will likely go undefeated until they meet Ohio State. They aren't winning big, but they are winning.
1954
1 go heels
no
The NCAA Men's Basketball Tournament went to 64 teams in 1985.
1975-1976 Indiana. 32-0. Actually there was another team that went undefeated and won a NCAA basketball national championship. It was in 1996. Fort Hays State of Hays, KS went undefeated in the regular season and post season. Winning the NCAA Div 2 national championship. Sure, it's div. 2, but an undefeated college basketball season is so infrequent, at any level, it should be recognized.