Karen Mary Nelson Moore (born 1948) is an American attorney and jurist serving as a United States circuit judge of the United States Court of Appeals for the Sixth Circuit. Her chambers are in Cleveland, Ohio.

Career output and lasting influence
Opinions attributed per year · peak 50/year
Later decisions citing those opinions, per year · peak 1,470/year
Sixth Circuit Court of Appeals · 1995–
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
Faculty · 1977–1995- ↳assistant professor · 1977–1980
- ↳associate professor · 1980–1982
- ↳professor of law · 1982–1995
Visiting professor · 1990–1991- Private practice, Cleveland, Ohio1975–1977
Law clerk , Hon. Harry Blackmun · 1974–1975- International Tax Law Program, Harvard Law SchoolInstructor · 1972–1973

Appointments
1995–present · Appointed by William J. Clinton (Democratic)
Education
J.D. · 1973- Radcliffe CollegeA.B. · 1970