Lyman Wellington Thayer (October 30, 1854 – February 8, 1919) was an American farmer and Republican politician from the U.S. state of Wisconsin. He was the 38th mayor of Ripon, Wisconsin, (1916–1918) and represented Fond du Lac County in the Wisconsin State Senate and Assembly during the 1890s.
Lyman Wellington Thayer
|38th Mayor of Ripon, Wisconsin|
April 1916 – April 1918
|Preceded by||Albert Maudlin|
|Succeeded by||Charles H. Graham|
|Member of the Wisconsin Senate|
from the 18th district
January 7, 1895 – January 1901
|Preceded by||Samuel M. Smead|
|Succeeded by||Elmer D. Morse|
|Member of the Wisconsin State Assembly|
from the Fond du Lac 1st district
January 2, 1893 – January 7, 1895
|Preceded by||Frank Bowe|
|Succeeded by||Frank L. Bacon|
|Born||October 30, 1854|
Wausau, Wisconsin, U.S.
|Died||February 8, 1919 (aged 64)|
Ripon, Wisconsin, U.S.
|Resting place||Pine Grove Cemetery, Wausau, Wisconsin|
|Spouse(s)||Rosetta Jane Single|
|Alma mater||Jones' Commercial College, St. Louis|
Thayer was Chairman of Ripon and of the Fond du Lac County, Wisconsin Board of Supervisors. He was elected to the Assembly in 1892 and to the Senate in 1894. After leaving the Senate, he served as mayor of Ripon from 1916 to 1918. Thayer was a Republican.