Smith Hickenlooper (February 13, 1880 – December 22, 1933) was an American attorney and jurist who served as a United States circuit judge of the United States Court of Appeals for the Sixth Circuit. He was previously a United States district judge of the United States District Court for the Southern District of Ohio.

Career output and lasting influence
Opinions attributed per year · peak 15/year
Later decisions citing those opinions, per year · peak 25/year
Ohio Southern District Court · 1923–1929Sixth Circuit Court of Appeals · 1928–1933
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 Cincinnati [Ohio]Judge · 1918–1923
- Private practice, Cincinnati, Ohio1904–1918
- Hamilton County, OhioAssistant prosecutor · 1916–1918
Field ArtilleryU.S. Army private · 1918- Cincinnati [Ohio] Board of EducationMember · 1908–1909
Appointments
1928–1933 · Appointed by Calvin Coolidge (Republican)Term ended: Death
1923–1929 · Appointed by Warren G. Harding (Republican)Term ended: Appointment to Another Judicial Position
Education
LL.B. · 1904- University of CincinnatiB.A. · 1901