1946 United States Senate election in Arizona
The 1946 United States Senate elections in Arizona took place on November 5, 1946. Incumbent Democratic U.S. Senator Ernest McFarland ran for reelection to a second term, easily defeating his Republican challenger Ward S. Powers in the general election.
- Ernest McFarland, incumbent U.S. Senator
- Harry J. Valentine, Veterans' Service Officer
|Democratic||Harry J. Valentine||15,818||20.52%|
- Ward S. Powers
|Republican||Ward S. Powers||35,022||30.13%|
|Democratic gain from Republican||Swing|