| François-Sévère Lesieur Désaulniers | |
| Constituency Mp: | Saint-Maurice |
| Parliament: | Canadian |
| Predecessor: | Louis-Léon Lesieur Desaulniers |
| Successor: | District was abolished in 1892 |
| Term Start: | 1887 |
| Term End: | 1896 |
| Office2: | Member of the Legislative Assembly of Quebec for Saint-Maurice |
| Predecessor2: | Élie Lacerte |
| Successor2: | Nérée Le Noblet Duplessis |
| Term Start2: | 1878 |
| Term End2: | 1886 |
| Birth Date: | 19 September 1850 |
| Birth Place: | Yamachiche, Canada East |
| Death Place: | Montreal, Quebec |
| Party: | Conservative |
François-Sévère Lesieur Désaulniers (September 19, 1850 - January 29, 1913) was a politician in the province of Quebec, Canada. He served as Member of the Legislative Assembly.[1]
He was born on September 19, 1850, in Yamachiche, Mauricie. He was ordained in 1872, but left the priesthood three years later and became an attorney.
Désaulniers was elected as a Conservative candidate to the Legislative Assembly of Quebec in 1878, representing the district of Saint-Maurice. He was re-elected in 1881, but did not run for re-election in 1886. He was succeeded by law practice partner Nérée Le Noblet Duplessis and moved to federal politics.
He was elected as a Conservative candidate to the House of Commons of Canada in 1887, representing the district of Saint-Maurice. He was re-elected in 1891, but did not run for re-election in 1896.
He died in Montreal on January 29, 1913.