Loren Oldenburg (born September 8, 1965) is an American farmer and Republican politician from Vernon County, Wisconsin.

He previously served as chairman of the town board of Harmony, Vernon County, Wisconsin.

A fourth generation farmer, he was raised and still resides on a 315-acre farm in Vernon County passed down from his great grandfather.

[1] He was unopposed in the Republican primary and won a narrow victory over Democrat Paul Buhr in the November general election, carrying 52% of the vote.

He was also appointed to the Speaker's Task Force on Suicide Prevention, an issue that has become prominent in rural Wisconsin due to the increasing number of farm bankruptcies.