| OGA Mid-Amateur Past Champions | |||
| Year | Men's Champion | Women's Champion | Host Course |
| 2022 | Jack Wagner | Amanda Jacobs | Creekside Golf & CC |
| 2021 | Jack Dukeminier | Lara Tennant | Shadow Hills CC |
| 2020 | Jack Dukeminier | Gretchen Johnson | OGA GC |
| 2019 | Jonathon Romano | Gretchen Johnson | The Reserve - South Course |
| 2018 | Jake Easterly | Lara Tennant | Stone Creek GC |
| 2017 | Jack Dukeminier | Lara Tennant | Arrowhead GC |
| 2016 | Philip Bagdade | Brie Stone | Pumpkin Ridge - Ghost Creek |
| 2015 | Justin Kadin | Kate Harper | Wildhorse Resort |
| 2014 | Joel Johnson | Brie Stone | Emerald Valley GC |
| 2013 | Randy Mahar | Brie Stone | Eagle Crest- Resort |
| 2012 | David Jacobsen | Brie Stone | Black Butte |
| 2011 | Tim O'Neal | Brie Stone | Oswego Lake CC |
| 2010 | Kasey Young | Brie Stone | Brasada Ranch |
| 2009 | Randy Mahar | Loree McKay | Tetherow GC |
| 2008 | Jeff Neilsen | Lara Tennant | Centennial GC |
| 2007 | Scott Hval | Loree McKay | Eagle Point GC |
| 2006 | Denny Taylor | Elizabeth Regan | OGA GC |
| 2005 | Jay Poletiek | Mary Budke | Bandon Dunes |
| 2004 | Chris Holzgang | Karla Kalian | Eagle Crest- Ridge |
| 2003 | Brian Hughes | Lara Tennant | Colubiaa Edgewater GC |
| 2002 | Eric Fiskum | Marcia Fisher | Gearhart Golf Links |
| 2001 | Field Kline | Amanda Nealy | Red Tail GC |
| 2000 | Charles Kingsbaker | Marcia Fisher | Emerald Valley GC |
| 1999 | Jason Johnson | Charisse Spada | Tri-Mountain GC |
| 1998 | Jason Johnson | Karla Kalian | Meadow Lakes GC |
| 1997 | Jason Johnson | OGA Members Course | |
| 1996 | Scott Tuttle | Trysting Tree GC | |
| 1995 | Cameron Azari | Sunriver | |
| 1994 | Paul Weinhold | Sandpines Golf Links | |
| 1993 | Scott Tuttle | Heron Lakes GC | |
| 1992 | Barry Greig | Pleasant Valley GC | |
| 1991 | Jim Tucker | Willamete Valley CC | |
| 1990 | Ken Foster | Forest Hills GC | |
| 1989 | George Mack Jr. | Forest Hills GC | |
| 1988 | George Walker | Rose City GC | |
