John Zihun Lee (born March 30, 1968) is an American lawyer serving as a United States circuit judge of the United States Court of Appeals for the Seventh Circuit. He served as a United States district judge of the United States District Court for the Northern District of Illinois from 2012 to 2022.

- Gender
- Male
- Race
- Asian American
Prior employment
- Private practice, Chicago, Illinois1994–2012
Environment and Natural Resources Division, U.S. Department of JusticeTrial attorney · 1992–1994
Appointments
2022–present · Appointed by Joseph R. Biden (Democratic)
2012–2022 · Appointed by Barack Obama (Democratic)Term ended: Appointment to Another Judicial Position
Education
J.D. · 1992- Harvard UniversityA.B. · 1989