The 2005 Cowansville municipal election was held on November 6, 2005, to elect a mayor and councillors in Cowansville, Quebec. Incumbent mayor Arthur Fauteux was re-elected without opposition.
| Candidate | Total votes | % of total votes | |
|---|---|---|---|
| (incumbent)Denis Bourcier | 264 | 51.87 | |
| Conrad Maheu | 245 | 48.13 | |
| Total valid votes | 509 | 100.00 |
| Candidate | Total votes | % of total votes | |
|---|---|---|---|
| (incumbent)Yvon Pepin | 272 | 47.72 | |
| Marc Danis | 167 | 29.30 | |
| Guy Patenaude | 94 | 16.49 | |
| Michael Cavanaugh | 37 | 6.49 | |
| Total valid votes | 570 | 100.00 |
Source: "Meet your new municipal councils," Sherbrooke Record, 8 November 2005, p. 7.