| Louis-Joseph Thisdel | |
| Office: | Member of the Legislative Assembly of Quebec for Maskinongé |
| Predecessor: | Joseph-William Gagnon |
| Successor: | Joseph-Napoléon Caron |
| Term Start: | 1930 |
| Term End: | 1936 |
| Predecessor2: | Joseph-Napoléon Caron |
| Successor2: | Germain Caron |
| Term Start2: | 1939 |
| Term End2: | 1944 |
| Birth Date: | 16 May 1886 |
| Birth Place: | Louiseville, Quebec |
| Death Place: | Louiseville, Quebec |
| Party: | Liberal |
Louis-Joseph Thisdel (May 16, 1886 - February 9, 1943) was a politician in the Quebec, Canada. He served as Member of the Legislative Assembly.
He was born on May 16, 1886, in Louiseville, Mauricie.
He was on the city council in Louiseville from 1918 to 1922 and mayor of that town from 1923 to 1930.
Thisdel won a by-election in 1930 and became the Liberal Member of the legislature, representing the provincial district of Maskinongé. He was re-elected in 1931 and 1935.
In 1936 he was defeated by Union Nationale candidate Joseph-Napoléon Caron. In 1939 though, he ran again and won his seat back.
He served as Minister without Portfolio in Premier Adélard Godbout's Cabinet.
He died in office on February 9, 1943, in Louiseville. He was succeeded by Germain Caron who was elected in 1944.