John George Koeltl (; born October 25, 1945) is a United States district judge of the United States District Court for the Southern District of New York in Manhattan.

Career output and lasting influence
Opinions attributed per year · peak 2/year
Later decisions citing those opinions, per year · peak 174/year
New York Southern District Court · 1994–
Both charts share the same year axis. Opinion counts include only opinions in our corpus attributed to this judge so far — a year at zero can mean an attribution gap, not judicial silence. Influence typically outlasts the career: citations keep climbing after the last opinion.
- Gender
- Male
- Race
- White
Prior employment
- Private practice, New York City1975–1994
- Watergate Special Prosecution ForceAssistant special prosecutor · 1973–1974
Law clerk , Hon. Potter Stewart · 1972–1973
Law clerk , Hon. Edward Weinfeld · 1971–1972
Appointments
1994–present · Appointed by William J. Clinton (Democratic)
Education
J.D. · 1971- Georgetown UniversityA.B. · 1967