Nick Sauer (born October 11, 1982) is a Republican politician and former member of the Illinois House of Representatives, representing the 51st district which includes Deer Park, Forest Lake, Green Oaks, Hawthorn Woods, Kildeer, Lake Barrington, Lake Zurich, Libertyville, Long Grove, Mundelein and North Barrington.
Before his election to the House, he was a director of the Illinois State Toll Highway Authority and a member of the Lake County Board.