Dunn (February 28, 1914 – May 3, 2004) was an American businessman and politician.
Born in Pinckneyville, Illinois, Dunn was a real estate investor and lived in Du Quoin, Illinois.
Dunn was also in the concrete business and owned a car dealership.
He served as a delegate in the Sixth Illinois Constitutional Convention of 1970.
Dunn served in the Illinois House of Representatives from 1973 to 1985 and was a Republican.
He then served in the Illinois State Senate from 1985 until 1995.