| Oregon Amateur Past Champions | |||
| Year | Men’s Champion | Women’s Champion | Host Course |
| 2023 | Zach Foushee | Kyra Ly | Pumpkin Ridge |
| 2022 | Tye Gabriel | Victoria Gailey | Willamette Valley CC |
| 2021 | Nate Stember | Ellie Slama | Bandon Dunes - Bandon Trails |
| 2020 | Bryce Wortman | Amanda Jacobs | Columbia Edgewater |
| 2019 | Spencer Tibbits | Ellie Slama | Portland GC |
| 2018 | Robbie Ziegler | Ellie Slama | Bend Golf Club |
| 2017 | Cole Madey | Gigi Stoll | Oregon Golf Club |
| 2016 | Connor Barr | Krissy Peterson | Black Butte - Glaze Meadow |
| 2015 | Alistair Docherty | Gigi Stoll | The Reserve - North Course |
| 2014 | Thomas Lim | Gigi Stoll | OGA GC |
| 2013 | Nick Chianello | Kendall Prince | Eugene CC |
| 2012 | Nick Chianello | Amy Beth Simanton | Tualatin CC |
| 2011 | Jack Dukeminier | Jillian Ferrante Carlile | Waverely |
| 2010 | Paul Peterson | Monica Vaughn | Willamette Valley |
| 2009 | Andrew Vijarro | Amy Beth Simanton | Bandon Dunes Golf Resort |
| 2008 | Blake Seabaugh | Kate Hildahl | Bend |
| 2007 | Adam Hagen | Kristen Svicarovich | Columbia Edgewater |
| 2006 | Mitch Gillis | Tracy Broders | Portland GC |
| 2005 | Alex Stamey | Kim McCready | Pumpkin Ridge- Witch |
| 2004 | Chandler Cocco | Alexandra Lee | Oregon Golf Club |
| 2003 | Brian Hughes | Allison Hanna | OGA Golf Course |
| 2002 | Greg LaVoie | Kailin Downs | Bandon Dunes Golf Resort |
| 2001 | Jonathan Moore | Jerilyn White | Royal Oaks |
| 2000 | Jeff Quinney | Marcia Fisher | Eagle Point GC |
| 1999 | Ryan LaVoie | Charisse Spada | Eugene CC |
| 1998 | Jeff Quinney | Kathleen Takaishi | Willamette Valley |
| 1997 | Scott Hval | Kathleen Takaishi | Columbia Edgewater |
| 1996 | Casey Winters | Paula Patterson | Shadow Hills |
| 1995 | Dave Lebeck | Joan Edwards-Powell | Tualatin CC |
| 1994 | Ted Snavely | Paula Patterson | Riverside |
| 1993 | Casey Martin | Karly Mills | Pumpkin Ridge |
| 1992 | Cameron Martin | Marcia Fisher | Oswego Lake |
| 1991 | Paul Hanson Jr. | Julie Jesswein | Waverley |
| 1990 | George Mack Jr. | Amanda Nealy | Illahe Hills |
| 1989 | Chris Holzgang | Amanda Nealy | Michelbook |
| 1988 | Steve Rintoul | Amanda Nealy | Portland GC |
| 1987 | Tony Joyner | Amanda Nealy | Rogue Valley |
| 1986 | Ron Garland | Marcia Fisher | Royal Oaks |
| 1985 | Tim Hval | Marcia Fisher | Willamette Valley |
| 1984 | John DeLong | Marcia Fisher | Columbia Edgewater |
| 1983 | Kent Myers | Julie Cross | Eugene |
| 1982 | Mike Warner | Charisse Spada | Riverside |
| 1981 | Kent Myers | Marcia Fisher | Tualatin CC |
| 1980 | Gay Davis | Marcia Fisher | Oswego Lake |
| 1979 | Joe Peccia | Mary Budke | Waverley |
| 1978 | Brent Murray | Mary Budke | Bend |
| 1977 | Randy Mahar | Mary Budke | Portland GC |
| 1976 | Donnell Smith | Mary Budke | Illahe Hills |
| 1975 | Mitch Mooney | Judy Hoetmer | Royal Oaks |
| 1974 | Brent Murray | Mary Budke | Shadow Hills |
| 1973 | Dan Elliot | Mary Budke | Columbia Edgewater |
| 1972 | Kent Myers | Mary Budke | Riverside |
| 1971 | Jim Brady | Mary Budke | Willamette Valley |
| 1970 | Mike Davis | Cathy Gaughn | Eugene |
| 1969 | David Glenz | Cathy Gaughn | Tualatin CC |
| 1968 | Elwin Fanning | Cathy Gaughn | Oswego Lake |
| 1967 | Don Krieger | Mrs. R.L. Borst | Waverley |
| 1966 | Gay Davis | Helen Davies | Rogue Valley |
| 1965 | Kent Myers | Mrs. Mike Skala | Portland GC |
| 1964 | Bob Prall | Mary Wolfe | Illahe Hills |
| 1963 | Bob Prall | Mrs. R.L. Borst | Riverside |
| 1962 | Dick Price | Mrs. Mike Skala | Eugene |
| 1961 | Dick Price | Mrs. Mike Skala | Columbia Edgewater |
| 1960 | R.H Atkinson Jr. | Sue Jennet | Royal Oaks |
| 1959 | Don Krieger | Shirley Englehorn | Tualatin CC |
| 1958 | R.H Atkinson Jr. | GraceDeMoss | Astoria |
| 1957 | A.E Huyckle | Grace DeMoss | Oswego Lake |
| 1956 | Don Krieger | Grace DeMoss | Portland GC |
| 1955 | George Beechler | Carole Jo Kabler | Riverside |
| 1954 | Eddie Simmons | Mrs. Francis Rowell | Rogue Valley |
| 1953 | Bruce Cudd | Mrs. Francis Rowell | Alderwood |
| 1952 | Bruce Cudd | Pat Lesser | Columbia Edgewater |
| 1951 | R.H Atkinson Jr. | Grace DeMoss | Tualatin CC |
| 1950 | Dick Yost | Mrs. Lyle Bowman | Eugene |
| 1949 | Ron Clark | Mrs. Lyle Bowman | Astoria |
| 1948 | Lou Jennings | Helen Thompson | Rogue Valley |
| 1947 | Lou Jennings | Mrs. Lyle Bowman | Portland GC |
| 1946 | Tom Marlowe | Carol Freese | Waverley |
| 1945 | NO TOURNAMENT | WORLD WAR II | |
| 1944 | NO TOURNAMENT | WORLD WAR II | |
| 1943 | NO TOURNAMENT | WORLD WAR II | |
| 1942 | NO TOURNAMENT | WORLD WAR II | |
| 1941 | Roy Wiggins | Dorothy Green | Oswego Lake |
| 1940 | Lou Jennings | Marion McDougall | Riverside |
| 1939 | Lloyd Byerly | Marion McDougall | Alderwood |
| 1938 | Dr. O.F. Willing | Mrs. B.E. Eva | Columbia Edgewater |
| 1937 | Don Moe | Marion McDougall | Portland GC |
| 1936 | Roy Wiggins | Marion McDougall | Waverley |
| 1935 | NO TOURNAMENT | THE GREAT DEPRESSION | |
| 1934 | John Robbins | Mrs. B.E. Eva | Oswego Lake |
| 1933 | John Robbins | Florence Sellars | Portland GC |
| 1932 | Frank Dolp | Jean Plageman | Waverley |
| 1931 | Frank Dolp | Mrs. K.S Reed | Multnomah |
| 1930 | Frank Dolp | Florence Sellars | Portland GC |
| 1929 | Dr. O.F. Willing | Mrs. B.E. Eva | Alderwood |
| 1928 | Don Moe | Mrs. K.S Reed | Columbia Edgewater |
| 1927 | Rudie Wilhelm | Mrs. C.C. Cary | Oswego Lake |
| 1926 | Frank Dolp | Mrs. K.S Reed | Waverley |
| 1925 | Frank Dolp | Mrs. L.W. Palmer Jr. | Tualatin CC |
| 1924 | Dr. O.F. Willing | Mrs. L.W. Palmer Jr. | Portland GC |
| 1923 | Claire Griswold | Mrs. L.W. Palmer Jr. | Waverley |
| 1922 | Dr. O.F. Willing | Mrs. Peter Kerr | Tualatin CC |
| 1921 | Dr. O.F. Willing | Mrs. Ercel Kay | Portland GC |
| 1920 | Rudie Wilhelm | Phoebe Tidmarsh | Waverley |
| 1919 | Rudie Wilhelm | Mrs. Peter Kerr | Waverley |
| 1918 | NO TOURNAMENT | WORLD WAR I | |
| 1917 | Rudie Wilhelm | Mrs. C.H. Davis Jr | Gearhart |
| 1916 | Russell Smith | Mrs. J.A Daugherty | Waverley |
| 1915 | Rudie Wilhelm | Mrs. Peter Kerr | Waverley |
| 1914 | M.H Hartwell | Mrs. Peter Kerr | Waverley |
| 1913 | Russell Smith | Mrs. James Gillison | Waverley |
| 1912 | Hal McCall | Mrs. W.C Skinner | Waverley |
| 1911 | W.B Mixter | NO RECORD | Waverley |
| 1910 | J.J. Morrow | Mrs. Richard Koehler | Waverley |
| 1909 | R.L Macleay | Violet Pooley | Waverley |
| 1908 | R. Spooner | Mrs. Richard Koehler | Waverley |
| 1907 | R.L Macleay | Mrs. W.B Ayer | Waverley |
| 1906 | A.S. Lippy | Mrs. Thomas Kerr | Waverley |
| 1905 | R.L Macleay | Mabel Keyes | Waverley |
| 1904 | R.L Macleay | Carrie Flanders | Waverley |
