|Third Speaker of the Indiana House of Representatives|
December 7, 1818 – January 22, 1820
|Preceded by||Amos Lane|
|Succeeded by||William Graham|
|Born||December 25, 1781
Mercer County, Kentucky
|Died||November 11, 1854
|Political party||No Party|
|Spouse(s)||Miriam Wilson Dunn (1806-1827); Mary Fleming Dunn (1829-1854)|
Williamson Dunn (December 25, 1781 – November 11, 1854) was a judge and politician in the early history of Indiana. He served as the third Speaker of the Indiana House of Representatives. Dunn is credited with having founded the town of Hanover, Indiana, as well as having contributed funds towards the founding of Hanover College.
- John M. Gresham & Co. Biographical and Historical Souvenir for the Counties of Clark, Crawford, Harrison, Floyd, Jefferson, Jennings, Scott, and Washington, Indiana. Chicago: Chicago Printing Company (1889) 212-213.