Jack Brandenburg (born October 22, 1951) is a retired Republican Michigan state senator. He was elected to office in 2010. Previously he had served for six years as a member of the Michigan House of Representatives and a member of that body's appropriations committee. Brandenburg was born in Canton, Ohio. He has a bachelor's degree from Ashland University. Brandenburg is a businessman who founded and owns Blue Water Industrial Supply, a company headquartered in Mount Clemens, Michigan. Brandenburg lives in Harrison Township, Michigan.