Michael Diedrich

Michael Diedrich
Member of the
South Dakota House of Representatives
from the 34th district
In office
December 29, 2017 – 2024
Preceded byCraig Tieszen
Succeeded byMike Derby
Member of the South Dakota Senate
In office
1993–1995
1987–1991
Personal details
BornMichael Gordon Diedrich
(1954-08-10)August 10, 1954
DiedJuly 13, 2025(2025-07-13) (aged 70)
PartyRepublican
EducationUniversity of South Dakota (BA, JD)
Harvard University (MPA)
Loyola University Chicago (LLM)

Michael Gordon Diedrich (August 10, 1954 – July 13, 2025) was an American politician and attorney who served as a member of the South Dakota House of Representatives from the 34th district. Diedrich was appointed to the position in 2017 by Governor Dennis Daugaard, succeeding Craig Tieszen, who died in a boating accident on November 23, 2017. He assumed office on December 29, 2017.