Adrian Guy Duplantier Sr. (March 5, 1929 – August 15, 2007) was a United States district judge of the United States District Court for the Eastern District of Louisiana. He served as a Democratic member of the Louisiana State Senate, representing a portion of Orleans Parish for four terms.

Adrian Guy Duplantier
Louisiana Eastern District Court
Born 1929 in New Orleans, LA
Died 2007 in New Orleans, LA
FJC ID: 666
Career output and lasting influence
Opinions attributed per year · peak 2/year
Later decisions citing those opinions, per year · peak 65/year
Louisiana Eastern District Court · 1978–2007
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
- Judicial Conference of the United StatesMember · 1983–1986
- Orleans Parish [Louisiana] Civil District CourtJudge · 1974–1978
- Private practice, New Orleans, Louisiana1950–1974
- LouisianaState senator · 1960–1974
- Orleans Parish, LouisianaFirst assistant district attorney · 1954–1956
- Loyola UniversityLecturer · 1947–1949
Appointments
1978–2007 · Appointed by Jimmy Carter (Democratic)Term ended: Death
Education
LL.M. · 1988- Loyola University New Orleans School of LawJ.D. · 1949