John Robert "Jack" Blakey (born August 1965) is a United States district judge of the United States District Court for the Northern District of Illinois and former Illinois prosecutor. He is also a judge of the United States Foreign Intelligence Surveillance Court.

- Gender
- Male
- Race
- White
Prior employment
- Special Prosecutions Bureau, Cook County [Illinois] State's Attorney's OfficeChief · 2009–2014
Northern District of IllinoisAssistant U.S. attorney · 2004–2009
Southern District of FloridaAssistant U.S. attorney · 2000–2004- Cook County, IllinoisAssistant state's attorney · 1996–2000
- Private practice, Chicago, Illinois1995–1996
Law clerk , Hon. William J. Zloch · 1992–1994
Appointments
2014–present · Appointed by Barack Obama (Democratic)
Education
- Notre Dame Law SchoolJ.D. · 1992
- London Academy of Music and Dramatic ArtC.F.A. · 1989
- University of Notre DameB.A. · 1988