Template:1972 Canadian federal election/Longueuil

! style="text-align:right;" colspan=3 |Total valid votes ! style="text-align:right;" |49,598 ! style="text-align:right;" |100.00 ! style="text-align:right;" colspan=3 |Total rejected ballots ! style="text-align:right;" |2,977 ! style="text-align:right;" | ! style="text-align:right;" | ! style="text-align:right;" colspan=3 |Turnout ! style="text-align:right;" |52,575 ! style="text-align:right;" |72.56 ! style="text-align:right;" | ! style="text-align:right;" colspan=3 |Electors on the lists ! style="text-align:right;" |72,458 ! style="text-align:right;" | ! style="text-align:right;" |
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