This is a list of mayors of Sierre in canton of Valais, Switzerland. The city of Sierre is governed by a nine-member executive (conseil municipal) chaired by the mayor (Président).
| Term | Mayor | Lifespan | Party | Notes |
|---|---|---|---|---|
| 1897–1908 | César de Sépibus | (1845–1908) | ||
| 1909–1912 | Michel Zufferey | (1850–1917) | ||
| 1913–1916 | Pierre-Marie Zwissig | (1857–1939) | FDP/PRD | |
| 1917 – September 1939 | Maurice Bonvin | (1876–1939) | FDP/PRD | |
| October 1939 – May 1945 | Marcel Gard | (1892–1979) | FDP/PRD | |
| May 1945 - 1956 | Elie Zwissig | (1891–1982) | FDP/PRD | |
| 1957 – December 1970 | Maurice Salzmann | (1906–1970) | CVP/PDC | |
| February 1971 – 1980 | Pierre de Chastonay | (born 1931) | CVP/PDC | |
| 1981–1988 | Victor Berclaz | FDP/PRD | ||
| 1989 – March 1992 | Serge Sierro | (born 1949) | FDP/PRD | |
| March 1992 – 2000 | Charles-Albert Antille | (born 1944) | FDP/PRD | |
| 2001–2008 | Manfred Stucky | CVP/PDC | ||
| 2009 – 2016 | François Genoud | (born 1952) | FDP/PRD | |
| 2017 – present | Pierre Berthod | (born 1981) | CVP/PDC |