Lewis T. Mittness Jr. (July 29, 1929 – May 27, 2006) was a former member of the Wisconsin State Assembly.
[1] Mittness was born on July 29, 1929, in La Crosse, Wisconsin.
[2] He graduated from high school in Tomah, Wisconsin before attending the University of Wisconsin–La Crosse.
During the Korean War, he served in the United States Army.
He resigned from the Assembly to become executive secretary of the Wisconsin Public Service Commission serving from 1975 to 1980.