John C. Shabaz, American judge and politician (b. 1931)

John C. Shabaz (June 25, 1931 – August 31, 2012) was an American lawyer, politician, and judge. He served 30 years as a United States District Judge for the Western District of Wisconsin, and was Chief Judge between 1996 and 2001. Earlier in his career, he represented Waukesha County in the Wisconsin State Assembly for 16 years as a Republican, serving as minority leader from 1973 to 1981.