Joanna Seybert (born September 18, 1946) is a senior United States district judge of the United States District Court for the Eastern District of New York.

Career output and lasting influence
Opinions attributed per year · peak 20/year
Later decisions citing those opinions, per year · peak 62/year
New York Eastern District Court · 1993–2014
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
- Female
- Race
- White
Prior employment
- Nassau County [New York] CourtJudge · 1992–1993
- Nassau County [New York] District CourtJudge · 1987–1991
- Major Litigation Bureau, Nassau County [New York] Attorney's OfficeChief · 1980–1987
- Private practice, Woodbury, New York1976, 1979
- Legal Aid Society, Nassau County, New YorkSenior staff attorney · 1976–1979
- Federal Defender Services, Legal Aid Society, Brooklyn, New YorkSenior trial attorney · 1973–1975
- Legal Aid Society, New York CityTrial attorney · 1971–1973
Appointments
1993–2014 · Appointed by William J. Clinton (Democratic)
Education
J.D. · 1971- University of CincinnatiB.A. · 1967