Alonzo Jay Edgerton (June 7, 1827 – August 9, 1896) was a United States senator from Minnesota and a United States district judge of the United States District Court for the District of South Dakota.

Alonzo Jay Edgerton
Born 1827 in Rome, Oneida County, NY
Died 1896 in Sioux Falls, SD
FJC ID: 687
- Gender
- Male
- Race
- White
Prior employment
- Private practice, Mitchell, Dakota Territory1885–1889
- Private practice, Mantorville, Minnesota1855–1861, 1867–1871, 1874–1877, 1878–1881
- U.S. senator from Minnesota1881
- MinnesotaState representative · 1877–1878
- State of MinnesotaRailroad commissioner · 1871–1874
U.S. Army1861–1867- MinnesotaState senator · 1858–1859
- Dodge County, MinnesotaProsecutor
Appointments

1890–1896 · Appointed by Benjamin Harrison (Republican)Term ended: Death
Education
- Read law1855
- Wesleyan University1850