The 1946 United States midterm elections were held on November 5, 1946. Incumbent President of the United States Harry Truman and the Democratic Party suffered large losses. After having been in the minority of both chambers of Congress since 1932, Republicans took control of both the House and the Senate.
Democrats lost fifty-four seats to the Republican Party in the House of Representatives, and Democrats also lost eleven seats to the Republicans in the U.S. Senate, allowing Republicans to take control of both chambers. A Progressive also lost a seat to a Republican.