Lawrence Leroy Piersol (born October 21, 1940) is a senior United States district judge of the United States District Court for the District of South Dakota.

Lawrence L. Piersol
Chief Judge — U.S. District Court for the District of South Dakota
Born 1940 in Vermillion, SD
FJC ID: 1888
Career output and lasting influence
Opinions attributed per year · peak 4/year
Later decisions citing those opinions, per year · peak 23/year
South Dakota District Court · 1993–South Dakota District Court · 1993–2009
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 · 2006–2009
- Private practice, Sioux Falls, South Dakota1968–1993
JAG CorpsU.S. Army · 1965–1968
Appointments
1993–2009 · Appointed by William J. Clinton (Democratic)
1993–2009
Education

- University of South DakotaB.A. · 1962