Christopher John Lauzen is an American politician, businessman, and Certified Public Accountant who served as the chairman of the Kane County Board in Illinois from 2012 to 2020.

He joined a group of newly elected conservative State Senators called the "Fab Five", including Dave Syverson, Steve Rauschenberger, Patrick O'Malley, and Peter Fitzgerald.

He worked to reduce property taxes on VFW and American Legion veterans' posts by 85% and placed a cap on future increases.

[9] Lauzen helped secure over $48,000,000 for school construction grants, sponsored education license plates for future teachers' scholarships, and was the only senator to speak against and vote "No" on providing 2/3 tuition discounts to illegal immigrants at public universities.

[11] He was also the original lead sponsor of the Breast Cancer Research voluntary check-off on the state personal income tax return.

[18] In 2018, Lauzen raised questions regarding possible insider payments from the executive director of the Upper Illinois Valley River Development Authority to companies he owns.

According to the Daily Herald, "The institute [IPI] found Hamilton operates a related private business that has resulted in $2 million in pay and reimbursements since 2010.