The University of Tennessee under pat Summitt
The University of Alabama
University of North Carolina at Chapel Hill
The University of Michigan has the most with 11 national championships the last in 1997. GO BLUE
UCLA with 11 national championships
The UCLA Bruins :11
The UCLA Lady Bruins have won the most National Championships in Collegiate Fastpitch Softball...I believe they have won 25 or 26 National Championships.
i think pac-10 since they have ucla