Pac-12 Women's Tennis Champions
| Year | School | ||
| 1987 | California (So.) | ||
| Washington (No.) | |||
| 1988 | Stanford (So.) | ||
| Washington (No.) | |||
| 1989 | Stanford (So.) | ||
| Washington (No.) | |||
| 1990 | Stanford (So.) | ||
| Washington (No.) | |||
| 1991 | Stanford (So.) | ||
| Washington (No.) | |||
| 1992 | Stanford (So.) | ||
| Washington (No.) | |||
| 1993 | Stanford (So.) | ||
| Washington (No.) | |||
| 1994 | Stanford (So.) | ||
| Washington (No.) | |||
| 1995 | Stanford (So.) | ||
| Washington State (No.) | |||
| 1996 | Stanford (So.) | ||
| Washington State (No.) | |||
| 1997 | Stanford (So.) | ||
| Washington (No.) | |||
| 1998 | Stanford | ||
| 1999 | Stanford | ||
| 2000 | Stanford | ||
| 2001 | Stanford | ||
| 2002 | Stanford | ||
| 2003 | Stanford | ||
| 2004 | Stanford | ||
| 2005 | Stanford | ||
| 2006 | Stanford | ||
| 2007 | Stanford | ||
| 2008 | Stanford | ||
| UCLA | |||
| 2009 | USC | ||
| 2010 | Stanford | ||
| 2011 | Stanford | ||
| 2012 | Stanford | ||
| USC | |||
| 2013 | USC | ||
| 2014 | California | ||
| 2015 | USC | ||
| 2016 | Stanford | ||
| 2017 | Stanford | ||
| 2018 | Stanford |