| Ervin E. Dupper | |
| Office: | Member of the South Dakota Senate |
| Term Start: | 1965 |
| Term End: | 1968 |
| Birth Name: | Ervin Emil Dupper |
| Birth Date: | 8 January 1923 |
| Birth Place: | Campbell County, South Dakota |
| Death Place: | Rapid City, South Dakota |
| Party: | Republican |
| Residence: | Mobridge, South Dakota |
| Alma Mater: | University of Oregon University of South Dakota (JD) |
Ervin Emil Dupper (January 8, 1923 - May 28, 2017)[1] was an American politician in the state of South Dakota.
He was a member of the South Dakota Senate from 1965 to 1968. Throughout his state senate term, he represented the 21st and 23rd districts. He attended the University of Oregon where he earned a bachelor's degree in political science, and then attended the University of South Dakota School of Law for a law degree. He served a brief stint as State Attorney of Walworth County in 1955 to 1956 prior to his election to the state senate.[2] [3]