| OGA Senior Women's Amateur Champions | |||
| Year | Senior Women's | Host Course | |
|
2025 2024 |
Lara Tennant Lara Tennant |
Tualatin CC Oswego Lake CC |
|
| 2023 | Lara Tennant | Pumpkin Ridge | |
| 2022 | Lara Tennant | Willamette Valley Country Club | |
| 2021 | Lara Tennant | Bandon Dunes - Bandon Trails | |
| 2020 | Lara Tennant | Columbia Edgewater CC | |
| 2019 | Lara Tennant | Portland GC | |
| 2018 | Lara Tennant | Bend GC | |
| 2017 | Lara Tennant | The Oregon GC | |
| 2016 | Anita Wicks | Salishan | |
| 2015 | Leilani Norman | Emerald Valley GC | |
| 2014 | Loree McKay | Arrowhead GC | |
| 2013 | Leilani Norman | Brasada Ranch | |
| 2012 | Loree McKay | Riverside G&CC | |
| 2011 | Loree McKay | Astoria GC | |
| 2010 | Penny Saenguraiporn | Rogue Valley CC | |
| 2009 | Joan Edwards-Powell | Oregon GC | |
| 2008 | Joan Edwards-Powell | Creekside GC | |
| 2007 | Loree McKay | Persimmon CC | |
| 2006 | Joan Edwards-Powell | Illahe Hills CC | |
| 2005 | Eloise Carson | OGA GC | |
| 2004 | Marcia Fisher | Broken Top | |
| 2003 | Sue Keeney | Waverly CC | |
| 2002 | Tana Sanchez | Spring Hill GC | |
| 2001 | Jan Young | Astoria GC | |
| 2000 | Sue Keeney | OGA GC | |
| 1999 | Joan Edwards-Powell | Sunriver Resort | |
| 1998 | Joan Edwards-Powell | Pumpkin Ridge GC | |
| 1997 | Joan Edwards-Powell | Broken Top | |
| 1996 | Nettie Morrison | Salishan | |
| 1995 | Nettie Morrison | Black Butte | |
| 1994 | Sara Kizer | Riverside G&CC | |
| 1993 | Dotty Johnson | Pumpkin Ridge | |
| 1992 | Margie Buhler | Oswego Lake CC | |
| 1991 | Barbara Cameron | Waverly CC | |
| 1990 | Barbara Cameron | Illahe Hills CC | |
| 1989 | Carol Falk | Michelbook CC | |
| 1988 | Carol McCown | Portland GC | |
| 1987 | Janet Kimmell | Rogue Valley CC | |
| 1986 | Joanna Brown | Royal Oaks CC | |
| 1985 | Leah Frajola | Willamette CC | |
| 1984 | Dorothy Campbell | Columbia Edgewater CC | |