The UCLA Lady Bruins have won the most National Championships in Collegiate Fastpitch Softball...I believe they have won 25 or 26 National Championships.
UCLA has won 11 NCAA mens championships. Tennessee has won 8 NCAA women's championships.
11 NATIONAL CHAMPIONSHIPS
UCLA is the NCAA school that won seven basketball championships in a row from 1967 to 1973. As of September 2014, UCLA has won a total of 11 NCAA basketball championships.
UCLA won 7 straight NCAA Men's Basketball Championships from 1967-1973.
UCLA with 11
In Men's it is UCLA with 11 championships. In Women's it is Tennessee with 8 championships.