<page_title> 1972 United States Senate elections </page_title> <section_title> Elections leading to the next Congress </section_title> <table> <cell> √ William Hathaway (Democratic) 53.2% Margaret Chase Smith (Republican) 46.8% <col_header> Candidates </col_header> </cell> </table>
Incumbent Republican Margaret Chase Smith was defeated by Democrat William Hathaway.