John Diehl (politician)

John Diehl
Speaker of the Missouri House of Representatives
In office
January 7, 2015 – May 14, 2015
Preceded byTim Jones
Succeeded byTodd Richardson
Member of the Missouri House of Representatives
from the 89th district
In office
January 2013 – May 14, 2015
Preceded byTim Jones
Member of the Missouri House of Representatives
from the 87th district
In office
January 2009 – January 2013
Preceded byScott Muschany
Succeeded byStacey Newman
Personal details
Born (1965-08-28) August 28, 1965
PartyRepublican
SpouseKelly
Children3
Alma materUniversity of Missouri, Columbia
St. Louis University
WebsiteCampaign Website

John J. Diehl, Jr. (born August 28, 1965) is an American attorney and a Republican former member of the Missouri House of Representatives. Diehl was elected Speaker of the Missouri House of Representatives in 2013 and took office in January 2015. Diehl resigned on May 14, 2015 after a scandal came to light regarding inappropriate messages exchanged with an intern. In 2025, Diehl pleaded guilty to federal wire fraud charges for defrauding the government in $379,000 in COVID-19 pandemic relief funds. He was sentenced to 21 months in prison.