Has an unranked team ever won March Madness?

Has an unranked team ever won March Madness? Two schools have entered the NCAA Tournament unranked and came out national champions. The 1985 Villanova Wildcats and 1988 Kansas Jayhawks are the only two teams to go into the NCAA Basketball Tournament not ranked in the AP Poll and complete a Cinderella run to win the whole thing.

Two schools have entered the NCAA Tournament unranked and came out national champions. The 1985 Villanova Wildcats and 1988 Kansas Jayhawks are the only two teams to go into the NCAA Basketball Tournament not ranked in the AP Poll and complete a Cinderella run to win the whole thing.