William W. Thayer | |
|---|---|
 Portrait of Thayer, 1919 | |
| 6th Governor of Oregon | |
| In office September 11, 1878 – September 13, 1882 | |
| Preceded by | Stephen F. Chadwick |
| Succeeded by | Z.F. Moody |
| 30th Justice of the Oregon Supreme Court | |
| In office 1884–1890 | |
| Preceded by | Edward B. Watson |
| Succeeded by | Robert S. Bean |
| 14th Chief Justice of the Oregon Supreme Court | |
| In office 1888–1890 | |
| Preceded by | William Paine Lord |
| Succeeded by | Reuben S. Strahan |
| Personal details | |
| Born | July 15, 1827 Lima, New York, US |
| Died | October 15, 1899 (aged 72) Portland, Oregon, US |
| Political party | Democratic |
| Spouse | Samantha C. Thayer |
| Profession | Lawyer |
William Wallace Thayer (July 15, 1827 – October 15, 1899), was an American Democratic politician active in U.S. states of Idaho and Oregon. Most notably, he served as the sixth Governor of Oregon from 1878 to 1882 and Chief Justice of the Oregon Supreme Court from 1888 to 1889.