Ann Claire Williams (born August 16, 1949) is an American judge who served as United States circuit judge of the United States Court of Appeals for the Seventh Circuit and a former United States District Judge of the United States District Court for the Northern District of Illinois. She is currently of counsel at Jones Day.

- Gender
- Female
- Race
- African American
Prior employment
Adjunct professor and lecturer · 1979–present
Adjunct professor and lecturer · 1979–present- Private practice, Chicago, Illinois2018–present
Northern District of IllinoisAssistant U.S. attorney · 1976–1985- ↳deputy chief, Criminal Receiving and Appellate Division · 1980–1983
- ↳chief, Organized Crime Drug Enforcement Task Force, Northern Central Region · 1983–1985
Law clerk , Hon. Robert A. Sprecher · 1975–1976
Appointments
1999–2018 · Appointed by William J. Clinton (Democratic)Term ended: Retirement
1985–1999 · Appointed by Ronald Reagan (Republican)Term ended: Appointment to Another Judicial Position
Education
- Notre Dame Law SchoolJ.D. · 1975
- University of MichiganM.A. · 1972
- Wayne State UniversityB.S. · 1970