The Mayor is the highest elected official in Shawinigan, Quebec, Canada. Since its incorporation in 1901, the city has had twenty mayors.
| # | Mayor | Taking Office | Leaving |
| 1 | Vivian Burrill | 1901 | 1902 |
| 2 | Arthur Dufresne | 1902 | 1902 |
| 3 | Beaudry Leman | 1902 | 1908 [1] |
| 1 | Vivian Burrill | 1908 | 1913 |
| 4 | Joseph-Auguste Frigon [2] | 1913 | 1915 |
| 5 | Edmond Thibaudeau | 1915 | 1917 |
| 4 | Joseph-Auguste Frigon | 1917 | 1918 |
| 6 | Napoléon Désaulniers | 1918 | 1920 |
| 7 | Joseph-Alexis Dufresne [3] | 1920 | 1928 |
| 6 | Napoléon Désaulniers | 1928 | 1930 |
| 8 | Albert Gigaire | 1930 | 1936 |
| 9 | Lucien Bourassa | 1936 | 1937 [4] |
| 10 | Alexandre Gélinas | 1937 | 1938 |
| 11 | J.A. Bilodeau | 1938 | 1946 |
| 12 | François Roy | 1946 | 1954 |
| 13 | Gaston Hardy [5] | 1954 | 1957 [6] |
| 14 | Armand Foucher | 1957 | 1963 [7] |
| 15 | Gérard Dufresne [8] | 1963 | 1966 |
| 16 | Maurice Bruneau | 1966 | 1970 |
| 17 | Dominique Grenier | 1970 | 1986 |
| 18 | Roland Désaulniers | 1986 | 1994 |
| 19 | Lise Landry | 1994 | 2009 |
| 20 | Michel Angers | 2009 | 2025 |
| 21 | Yves Lévesque | 2025 | present |
Officially, elections to the Shawinigan Council are on a non-partisan basis. In recent history however, mayors of Shawinigan have been generally Liberal leaning. Gérard Dufresne, Dominique Grenier, Roland Désaulniers and Lise Landry were or have been card-carrying supporters of the Quebec Liberal Party and the Liberal Party of Canada.