Ronald Sing Wai Lew (Chinese name: 刘成威; September 19, 1941 – May 19, 2023) was a United States district judge of the United States District Court for the Central District of California.

Ronald S. W. Lew
California Central District Court
Born 1941 in Los Angeles, CA
Died 2023 in Los Angeles, CA
FJC ID: 1390
Career output and lasting influence
Later decisions citing those opinions, per year · peak 13/year
Superior Court of California, County of Los Angeles · 1984–1987California Central District Court · 1987–2023
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
- Asian American
Prior employment
- Superior Court of California, County of Los AngelesJudge · 1984–1987
- Los Angeles [California] Municipal CourtJudge · 1982–1984
- Los Angeles, CaliforniaFire and police pension commissioner · 1976–1982
- Private practice, Los Angeles, California1974–1981
- Criminal and Civil Liability Divisions, Los Angeles, CaliforniaDeputy city attorney · 1972–1974
U.S. Army1967–1969
Appointments
1987–2023 · Appointed by Ronald Reagan (Republican)Term ended: Death
Education
- Southwestern University School of LawJ.D. · 1971
- Loyola University of Los Angeles (now Loyola Marymount University)B.A. · 1964