The 1952 United States Senate election in Maine was held on September 8, 1952.
Incumbent Republican Senator Owen Brewster ran for re-election to a third term, but lost the Republican primary to Governor of Maine Frederick Payne. Payne easily won the general election against two Democratic opponents, party nominee Roger Dube and independent Democrat Earl Grant.
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Text from the Wikipedia article “1952 United States Senate election in Maine”, available under CC BY-SA 4.0.