| Honorific-Prefix: | Mayor |
| Adhémar Raynault | |
| Order: | 36th Mayor of Montreal |
| Term Start: | 1936 |
| Term End: | 1938 |
| Predecessor: | Camillien Houde |
| Successor: | Camillien Houde (returned) |
| Term Start2: | 1940 |
| Term End2: | 1944 |
| Predecessor2: | Camillien Houde |
| Successor2: | Camillien Houde (returned) |
| Birth Date: | 12 July 1891 |
| Birth Place: | Saint-Gérard-Majella, Quebec, Canada |
| Death Place: | Saint-Bruno, Quebec, Canada |
| Party: | Union Nationale |
| Profession: | Businessman |
Adhémar Raynault (12 July 1891 – 11 April 1984) was a Canadian politician and a Mayor of Montreal.
Raynault was born on July 12, 1891, in Saint-Gérard-de-Magella. Raynault moved to Montreal in 1911. He started as a clerk in a trading house. He had several jobs before becoming an insurance broker. During this period, he continued to perfect his training in the evening, after work. Pretty quickly, he became an important personality in the business world.[1]
He was a city councillor for the district of Préfontaine in Montreal from 1934 to 1936. He also served as mayor from 1936 to 1938, and from 1940 to 1944. His last tenure as mayor was provisionally served while Camillien Houde was interned for wartime opposition to conscription.
Raynault was elected to the Legislative Assembly of Quebec in the district of L'Assomption in the 1936 general election and sat with the Union Nationale. He did not run again in the 1939 general election.
He is the great uncle of former MP Francine Raynault.