Jerry Petrowski (born June 16, 1950) is an American politician and a former ginseng, dairy and beef farmer.

He graduated from Newman High School before attending the University of Wisconsin–Marathon County and Northcentral Technical College, all in Wausau.

Following his service, he worked as a machinist and became a small business owner and ginseng, dairy, and beef farmer.

[4] On June 5, 2012, Petrowski was elected to the Wisconsin State Senate, defeating Representative Donna Seidel with 61.34% of the vote.

Petrowski also serves on the Governor’s Council on Highway Safety, Transportation Projects Commission, Rustic Roads Board, Scenic Byway Advisory Committee, Council on Military and State Relations, the State Council on Interstate Compact on Educational Opportunity for Military Children and the University of Wisconsin–Stevens Point College of Natural Resources Advisory Board.