Harold Louderback (January 30, 1881 – December 11, 1941) was a United States district judge of the United States District Court for the Northern District of California. He was the eleventh federal official to be served with articles of impeachment by the House of Representatives. He was acquitted in the Senate and returned to the bench.

Harold Louderback
California Northern District Court
Born 1881 in San Francisco, CA
Died 1941
FJC ID: 1421
Career output and lasting influence
Opinions attributed per year · peak 4/year
Later decisions citing those opinions, per year · peak 6/year
California Northern District Court · 1928–1941
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
- Superior Court of California, City and County of San FranciscoJudge · 1921–1928
- Private practice, San Francisco, California1908–1917, 1919–1921
U.S. Army captain1917–1919
Appointments
1928–1941 · Appointed by Calvin Coolidge (Republican)Term ended: Death
Education
LL.B. · 1908- Nevada State University (now University of Nevada, Reno)A.B. · 1905