Template:1986 Saint-Leonard municipal election/Councillor, Ward Twelve

! style="text-align:right;" colspan=3 |Total valid votes ! style="text-align:right;" | 1,970 ! style="text-align:right;" | 100
 * style="text-align:left;" colspan=2 | Ralliement de Saint-Léonard
 * style="text-align:left;" | Robert Zambito
 * style="text-align:right;" | 787
 * style="text-align:right;" | 39.95
 * style="text-align:left;" colspan=2 | Unité de Saint-Léonard
 * style="text-align:left;" | (x)Domenico Moschella
 * style="text-align:right;" | 753
 * style="text-align:right;" | 38.22
 * style="text-align:left;" colspan=2 | Équipe démocratique de Saint-Léonard
 * style="text-align:left;" | Jacques Amyot
 * style="text-align:right;" | 216
 * style="text-align:right;" | 10.96
 * style="text-align:left;" colspan=2 | Rassemblement des citoyens et citoyennes de Saint-Léonard
 * style="text-align:left;" | Michelango Cannistraro
 * style="text-align:right;" | 214
 * style="text-align:right;" | 10.86
 * style="text-align:left;" colspan=2 | Rassemblement des citoyens et citoyennes de Saint-Léonard
 * style="text-align:left;" | Michelango Cannistraro
 * style="text-align:right;" | 214
 * style="text-align:right;" | 10.86
 * colspan=5|Source: "Results of council elections in 18 Montreal-area municipalities," Montreal Gazette, 3 November 1986, A8.
 * colspan=5|Source: "Results of council elections in 18 Montreal-area municipalities," Montreal Gazette, 3 November 1986, A8.