Anthony McLeod Kennedy (born July 23, 1936) is an American lawyer who served as an associate justice of the Supreme Court of the United States from 1988 until his retirement in 2018. He was nominated to the court in 1987 by President Ronald Reagan, and sworn in on February 18, 1988. After the retirement of Sandra Day O'Connor in 2006, he was considered the swing vote on many of the Roberts Court's 5–4 decisions.

Career output and lasting influence
Opinions attributed per year · peak 14/year
Later decisions citing those opinions, per year · peak 16,568/year
Ninth Circuit Court of Appeals · 1975–1988Supreme Court of the United States · 1988–2018
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
Board member · 1987–1988
Professor of constitutional law · 1965–1987- Private practice, Sacramento, California1963–1975
- Private practice, San Francisco, California1961–1963
- California Army National Guard private first class1961
Appointments
1988–2018 · Appointed by Ronald Reagan (Republican)
1975–1988 · Appointed by Gerald Ford (Republican)Term ended: Appointment to Another Judicial Position
Education
J.D. · 1961- Stanford UniversityB.A. · 1958