David McKendree Key (January 27, 1824 – February 3, 1900) was a United States senator from Tennessee, United States Postmaster General and a United States district judge of the United States District Court for the Eastern District of Tennessee and the United States District Court for the Middle District of Tennessee.

David McKendree Key
Tennessee Eastern District Court
Born 1824 in Greene County, TN
Died 1900 in Chattanooga, TN
FJC ID: 1272
- Gender
- Male
- Race
- White
Prior employment
- Private practice, Chattanooga, Tennessee1853–1861, 1865–1880
- Postmaster general of the United States1877–1880
- U.S. senator from Tennessee1875–1877
- Tennessee Chancery Court, Third Judicial DistrictChancellor · 1870–1875
- Confederate Army1861–1865
- Private practice, Kingston, Tennessee1852–1853
- Private practice, Madisonville, Tennessee1850–1852
Appointments
1880–1895 · Appointed by Rutherford B. Hayes (Republican)Term ended: Retirement
1880–1895 · Appointed by Rutherford B. Hayes (Republican)Term ended: Retirement
Education
- East Tennessee University (now University of Tennessee)A.M.
- Read law1850
- Hiwassee College1850