| Joseph-Théophile Larochelle | |
| Office: | Member of the Legislative Assembly of Quebec for Lévis |
| Predecessor: | Arthur Bélanger |
| Successor: | Joseph-Georges Francoeur |
| Term Start: | 1935 |
| Term End: | 1939 |
| Predecessor2: | Joseph-Georges Francoeur |
| Successor2: | Joseph-Albert Samson |
| Term Start2: | 1944 |
| Term End2: | 1948 |
| Office3: | Member of the Legislative Council of Quebec for La Salle |
| Predecessor3: | Pierre Bertrand |
| Successor3: | Alfred-Albert Bouchard |
| Term Start3: | 1948 |
| Term End3: | 1954 |
| Birth Date: | 19 November 1877 |
| Birth Place: | Saint-Henri, Quebec |
| Death Place: | Lévis, Quebec |
| Party: | Action libérale nationale Union nationale |
Joseph-Théophile Larochelle (November 19, 1877 - October 8, 1954) was a politician of Quebec, Canada and a Member of the Legislative Assembly of Quebec (MLA).
He was born on November 19, 1877, near Lévis, Chaudière-Appalaches and worked in Massachusetts for four years.
Larochelle served as a city councillor and as a school board member in Lévis.
He ran as an Action libérale nationale candidate in the district of Lévis in the 1935 provincial election and won. Larochelle joined Maurice Duplessis's Union Nationale and was re-elected in the 1936 election. He was defeated by Liberal candidate Joseph-Georges Francoeur in the 1939 election.
Larochelle was re-elected in the 1944 and 1948 elections. He became Minister without Portfolio in 1944.
He resigned in 1948 to accept a seat in the Legislative Council of Quebec and represented the division of La Salle until his death.
He died on October 8, 1954, in Lévis.