| OGA Senior Men's Amateur Champions | ||||
| Year | Senior Men's | Host Course | ||
|
2024 |
|
Salishan Golf Links | ||
| 2023 | Russell Humphrey | Riverside G&CC | ||
| 2022 | Greg Chianello | Aspen Lakes GC | ||
| 2021 | Russell Humphrey | Arrowhead GC | ||
| 2020 | No Tournament | |||
| 2019 | Pat O'Donnell | Rock Creek CC | ||
| 2018 | Randy Mahar | Illahe Hills CC | ||
| 2017 | Bob Harrington | OGA GC | ||
| 2016 | Pat O'Donnell | Salishan GL | ||
| 2015 | Pat O'Donnell | Emerald Valley GC | ||
| 2014 | Pat O'Donnell | Arrowhead GC | ||
| 2013 | Scott Hval | Brasada Ranch | ||
| 2012 | Scott Hval | Riverside G&CC | ||
| 2011 | Scott Hval | Astoria GC | ||
| 2010 | Pat O'Donnell | Rogue Valley CC | ||
| 2009 | Erik Myrmo | Oregon GC | ||
| 2008 | Pat O'Donnell | Creekside GC | ||
| 2007 | George Walker | Persimmon CC | ||
| 2006 | Brad Skreen | Illahe Hills CC | ||
| 2005 | Tom Phillips | OGA GC | ||
| 2004 | Paul Campbell | Broken Top | ||
| 2003 | Dick Schfer Jr. | Waverly CC | ||
| 2002 | Chris Maletis | Spring Hill GC | ||
| 2001 | Chris Maletis | Astoria GC | ||
| 2000 | Chris Maletis | OGA GC | ||
| 1999 | Jeff Leinassar | Sunriver Resort | ||
| 1998 | Tom Carter | Pumpkin Ridge GC | ||
| 1997 | Bill Morrison | Broken Top | ||
| 1996 | Bill Morrison | Salishan | ||
| 1995 | Tom Liljeholm | Black Butte | ||
| 1994 | Jerry Cundari | Riverside G&CC | ||
| 1993 | Jerry Cundari | Pumpkin Ridge | ||
| 1992 | George Mack Sr | Oswego Lake CC | ||
| 1991 | George Mack Sr | Waverly CC | ||
| 1990 | Dean Daugherty | Illahe Hills CC | ||
| 1989 | Tom Liljeholm | Michelbook CC | ||
| 1988 | Dick Hiller | Portland GC | ||
| 1987 | Ken Donahue | Rogue Valley CC | ||
| 1986 | Royal Oaks CC | |||
| 1985 | Willamette CC | |||
| 1984 | Columbia Edgewater CC | |||