Pac-12 Softball National Championships
Measured by national championships, awards and Olympic success, the Pac-12 Conference has dominated the diamond in collegiate softball. The Conference has claimed the most titles of any conference, with all nine league teams having made a NCAA Women’s College World Series appearance. Most recently, UCLA claimed its nation-leading 12th all-time national championship with a dominant performance in 2019.
| Year | School | Record | Coach |
| 2019 | UCLA | 56-6 | Kelly Inouye-Perez |
| 2011 | Arizona State | 60-6 | Clint Myers |
| 2010 | UCLA | 50-11 | Kelly Inouye-Perez |
| 2009 | Washington | 51-12 | Heather Tarr |
| 2008 | Arizona State | 66-5 | Clint Myers |
| 2007 | Arizona | 50-14-1 | Mike Candrea |
| 2006 | Arizona | 54-11 | Mike Candrea |
| 2004 | UCLA | 47-9 | Sue Enquist |
| 2003 | UCLA | 54-7 | Sue Enquist |
| 2002 | California | 56-19 | Diane Ninemire |
| 2001 | Arizona | 65-4 | Mike Candrea |
| 1999 | UCLA | 63-6 | Sue Enquist |
| 1997 | Arizona | 61-5 | Mike Candrea |
| 1996 | Arizona | 58-9 | Mike Candrea |
| 1994 | Arizona | 64-3 | Mike Candrea |
| 1993 | Arizona | 44-8 | Mike Candrea |
| 1992 | UCLA | 54-2 | Sahrron Backus |
| 1991 | Arizona | 56-16 | Mike Candrea |
| 1990 | UCLA | 62-7 | Sharron Backus |
| 1989 | UCLA | 48-4 | Sharron Backus |
| 1988 | UCLA | 53-8 | Sharron Backus |
| 1985 | UCLA | 41-9 | Sharron Backus |
| 1984 | UCLA | 45-6-1 | Sahrron Backus |
| 1982 | UCLA | 33-7-2 | Sahrron Backus |