1938 United States Senate election in Illinois

The 1938 United States Senate election in Illinois took place on November 8, 1938. Incumbent first-term Democrat William H. Dieterich retired. Fellow Democrat Scott W. Lucas was elected to succeed him.

Election information
The primaries and general election coincided with those for House and those for state elections.

Primaries were held April 12, 1938.

Candidates

 * Michael L. Igoe, United States Attorney for the Northern District of Illinois and former U.S. congressman
 * Newton Jenkins, perennial candidate
 * Albert Lagerstedt
 * Scott W. Lucas, U.S. congressman
 * John J. Sullivan

Candidates

 * William J. Baker
 * Richard J. Lyons, U.S. congressman
 * Clarence P. Parker