1956 United States Senate election in Washington

The 1956 United States Senate election in Washington was held on November 6, 1956. Incumbent Democratic U.S. Senator Warren Magnuson won a third term in office, defeating Republican nominee Arthur B. Langlie.

Blanket primary
The blanket primary was held on September 18, 1956.

Democratic

 * Warren G. Magnuson, incumbent United States Senator

Republican

 * Arthur B. Langlie, governor of Washington

Candidates

 * Warren Magnuson, Democratic, incumbent U.S. Senator
 * Arthur B. Langlie, Republican, governor of Washington