Edmund Hillestad was a member of the South Dakota House of Representatives.
Hillestad was a member of the House of Representatives twice. First, from 1903 to 1906 and second, from 1929 to 1932. Additionally, he was Commissioner of Brookings County, South Dakota. He was a Republican.
- "Hillestad, Edmund". Political Graveyard. Retrieved 2013-11-19.
- South Dakota Legislature-Historical Listing-Legislator Information-Edmund Hillestad