John Cyrus 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.

John C. Shabaz
Wisconsin Western District Court
Chief Judge — U.S. District Court for the Western District of Wisconsin
Born 1931 in Milwaukee, WI
Died 2012 in Waunakee, WI
FJC ID: 2154
- Gender
- Male
- Race
- White
Prior employment
- Private practice, West Allis, Wisconsin1957–1981
- WisconsinState representative · 1964–1981
U.S. Army1954–1956
Appointments
1981–2012 · Appointed by Ronald Reagan (Republican)Term ended: Death
Education
LL.B. · 1957