1946 United States Senate election in Pennsylvania

The 1946 United States Senate election in Pennsylvania was held on November 5, 1946. Incumbent Democratic U.S. Senator Joseph F. Guffey sought re-election to another term, but was defeated by Republican nominee Edward Martin. This was the last time that the Republican candidate won Philadelphia in an election for the Class 1 Senate seat.

Candidates

 * Joseph F. Guffey, incumbent U.S. Senator (Democratic)
 * Frank Knotek (Socialist Labor)
 * Dale H. Learn, East Stroudsburg real estate agent (Prohibition)
 * Edward Martin, Governor of Pennsylvania (Republican)

Results

 * -bgcolor="#EEEEEE"
 * colspan="3" align="right" | Totals
 * align="right" | 3,127,860
 * align="right" | 100.00%
 * align="right" |
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 * }