The Oregon Open is the Oregon state open golf tournament, open to both amateur and professional golfers. It is organized by the Pacific Northwest section of the PGA of America. The tournament was first played in 1905 and has been played annually (with minor disruptions) since 1925 at a variety of courses around the state. It was considered a PGA Tour event in the late 1920s and early 1930s.

(a) – amateur

• PGA of America – Pacific Northwest section
• List of winners