United States Senior Open Winners Winners

| Year_ | Champion | Country | Venue | Location_ | Score | Winner_s_share_ |
|---|---|---|---|---|---|---|
| 2006 | Allen Doyle (2) | United States | Prairie Dunes Golf Club | Hutchinson, Kansas | 272 (−8) | 470000 |
| 2005 | Allen Doyle | United States | NCR Country Club , South Course | Kettering, Ohio | 274 (−10) | 470000 |
| 2004 | Peter Jacobsen | United States | Bellerive Country Club | St. Louis, Missouri | 272 (−12) | 470000 |
| 2003 | Bruce Lietzke | United States | Inverness Club | Toledo, Ohio | 207 (−6) | 470000 |
| 2002 | Don Pooley | United States | Caves Valley Golf Club | Owings Mills, Maryland | 274 (−10) | 450000 |
| 2001 | Bruce Fleisher | United States | Salem Country Club | Peabody, Massachusetts | 280 (E) | 430000 |
| 2000 | Hale Irwin (2) | United States | Saucon Valley Country Club , Old Course | Bethlehem, Pennsylvania | 267 (−17) | 400000 |