| Elections in Arizona |
|---|
 |
The 1938 United States Senate elections in Arizona took place on November 3, 1938. Incumbent Democratic U.S. Senator Carl Hayden ran for reelection to a third term, defeating Republican nominee Burt H. Clingan in the general election.
In contrast to previous elections, Hayden was easily reelected, receiving only token opposition from a relatively unknown Republican challenger.
Democratic primary
Candidates
- Carl T. Hayden, incumbent U.S. Senator
- Robert E. Miller
- Whit I. Hughes
Results
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Carl T. Hayden (incumbent) | 68,328 | 65.48% | |
| Democratic | Robert E. Miller | 22,154 | 21.23% | |
| Democratic | Whit I. Hughes | 13,867 | 13.29% | |
| Total votes | 104,349 | 100.00 | ||
Republican primary
Candidates
- Burt H. Clingan, chairman of the Arizona Industrial Commission
General election
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Democratic | Carl T. Hayden (incumbent) | 82,714 | 76.52% | +9.85% | |
| Republican | Burt H. Clingan | 25,378 | 23.48% | -8.58% | |
| Majority | 57,336 | 53.04% | +18.43% | ||
| Turnout | 108,092 | ||||
| Democratic hold | Swing | ||||
