| OGA Women's Stroke Play Champions | ||
| Year | Women's Champion | Host Course |
| 2022 | Amanda Jacobs | Emerald Valley Golf Club |
| 2021 | Victoria Gailey | Salishan Golf Links |
| 2020 | Monica Vaughn | Riverside Golf and CC |
| 2019 | Isabelle Taylor | Michelbook CC |
| 2018 | Ellie Slama | Broken Top GC |
| 2017 | Haleigh Krause | Rose City GC |
| 2016 | Hannah Swanson | Gearhart Golf Links |
| 2015 | Gigi Stoll | Rock Creek CC |
| 2014 | Aram Choi | OGA Golf Course |
| 2013 | Aram Choi | Lewis River GC |
| 2012 | Brie Stone | Rose City GC |
| 2011 | Monica Vaughn | Emerald Valley Golf Club |
| 2010 | Kendra Little | Trysting Tree GC |
| 2009 | Lara Tennant | Sandpines Golf Links |
| 2008 | Kendra Little | Arrowhead GC |
| 2007 | Lara Tennant | Geahart Golf Links |
| 2006 | Kailin Downs | Persimmon CC |
| 2005 | Marcie Hoover | Grants Pass GC |
| 2004 | Rebecca Kim | OGA Golf Course |
| 2003 | Allison Hanna | Willamette Valley CC |
| 2002 | Kailin Downs | Michelbook CC |
| 2001 | Brie Del Bone | Portland GC |
| 2000 | Jerilyn White | Camas Meadows GC |
| 1999 | Brie Del Bone | Quail Valley GC |
| 1998 | Kathlenn Takaishi | OGA Members Course |
| 1997 | Marcia Fisher | Arrowhead GC |
| 1996 | Charisse Spada | Emerald Valley Golf Club |
| 1995 | Amanda Nealy | Emerald Valley Golf Club |
| 1994 | Karly Mills | Emerald Valley Golf Club |
| 1993 | Margo Evashvski | Emerald Valley Golf Club |
| 1992 | NO TOURNAMENT | |
| 1991 | Shannon Maier | Emerald Valley Golf Club |
| 1990 | Marcia Fisher | Emerald Valley Golf Club |
| OGA Senior Women's Stroke Play Champions | ||
| Year | Senior Women's | Host Course |
| 2022 | Katy Wright | Emerald Valley Golf Club |
| 2021 | Anita Rosemeyer | Salishan Golf Links |
| 2020 | Lara Tennant | Riverside Golf and CC |
| 2019 | Loree McKay | Michelbook CC |
| 2018 | Anita Wicks | Broken Top GC |
| 2017 | Anita Wicks | Rose City GC |
| 2016 | Leilani Norman | Gearhart Golf Links |
| 2015 | Anita Wicks | Rock Creek CC |
| 2014 | Anita Wicks | OGA Golf Course |
| 2013 | Anita Wicks | Lewis River GC |
| 2012 | Joan Edwards-Powell | Rose City GC |
| 2011 | Joan Edwards-Powell | Emerald Valley Golf Club |
| 2010 | Joan Edwards-Powell | Trysting Tree GC |
| 2009 | Loree McKay | Sandpines Golf Links |
| 2008 | Catherine Gavlick | Arrowhead GC |
| 2007 | Mary Budke | Geahart Golf Links |
| 2006 | Jan Young | Persimmon CC |
| 2005 | Nettie Morrison | Grants Pass GC |
| 2004 | Jan Young | OGA Golf Course |
| 2003 | Nettie Morrison | Willamette Valley CC |
| 2002 | Soon Lee | Michelbook CC |
| 2001 | Joan Edwards-Powell | Portland GC |
| 2000 | Joan Edwards-Powell | Camas Meadows GC |
| 1999 | Joan Edwards-Powell | Quail Valley GC |
| 1998 | Nettie Morrison | OGA Members Course |
| 1997 | Nettie Morrison | Arrowhead GC |
| 1996 | Joanne Stettler | Emerald Valley Golf Club |
| 1995 | Dotty Johnson | Emerald Valley Golf Club |
| 1994 | NO TOURNAMENT | |
| 1993 | Carol Falk | Emerald Valley Golf Club |
| 1992 | NO TOURNAMENT | |
| 1991 | Joanne Brown | Emerald Valley Golf Club |
| 1990 | Shirley Teutsch | Emerald Valley Golf Club |