1934 United States Senate election in Pennsylvania

The 1934 United States Senate election in Pennsylvania was held on November 6, 1934. Incumbent Republican U.S. Senator David A. Reed sought re-election to another term, but was defeated by Democratic nominee Joseph F. Guffey.

This was the first time Democrats won a Senate seat in the state since 1881. As of 2023, this is the last time the following counties have voted Democratic in a Senate election: Adams, Blair, Bedford, Cumberland, Franklin, Juniata, and Pike.

Candidates

 * Joseph F. Guffey, former member of the Democratic National Committee

Candidates

 * David A. Reed, incumbent U.S. Senator
 * Gifford Pinchot, former Governor

Results

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 * colspan="3" align="right" | Totals
 * align="right" | 2,942,275
 * align="right" | 100.00%
 * align="right" |
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