John R. Hargrove Sr. (October 25, 1923 – April 1, 1997) was the first African American to be appointed Assistant United States Attorney for the District of Maryland and was later appointed by President Ronald Reagan to be a United States district judge of the United States District Court for the District of Maryland.

John Raymond Hargrove Sr.
Born 1923 in Atlantic City, NJ
Died 1997 in Ashburton, MD
FJC ID: 976
- Gender
- Male
- Race
- African American
Prior employment
- Supreme Bench of Baltimore City [Maryland]Associate judge · 1974–1984
- ↳juvenile court judge · 1977–1980
Administrative judge · 1971–1974- Baltimore [Maryland] Municipal CourtAssociate judge · 1968–1971
- Private practice, Baltimore, Maryland1950–1955, 1963–1968
- People's Court of Baltimore City [Maryland]Associate judge · 1962–1963
District of MarylandDeputy U.S. attorney · 1957–1962
District of MarylandAssistant U.S. attorney · 1955–1957
Corps of EngineersU.S. Army sergeant · 1943–1946
Appointments
1984–1997 · Appointed by Ronald Reagan (Republican)Term ended: Death
Education
- University of Maryland School of Law (now Francis King Carey School of Law)LL.B. · 1950
- Howard UniversityB.A. · 1947