| Parliament | Canadian |
|---|---|
| Office | Member of the Legislative Assembly of Quebec for Gaspé |
| Predecessor | Joseph-Léonide Perron |
| Successor | District was abolished in 1931 |
| Term start | 1912 |
| Term end | 1931 |
| Office 2 | Member of the Legislative Council of Quebec for Montarville |
| Predecessor 2 | Narcisse Pérodeau |
| Successor 2 | Émile Lesage |
| Term start 2 | 1932 |
| Term end 2 | 1956 |
| Birth date | 19 December 1864 |
| Birth place | Montreal, Canada East |
| Death date | 19 July 1956 (aged 91) |
| Death place | Montreal, Quebec |
| Party | Liberal |
Gustave Lemieux (19 December 1864 – 19 July 1956) was a Canadian politician.
Born in Montreal, Canada East, Lemieux was acclaimed to the Legislative Assembly of Quebec for Gaspéin 1912. A Liberal, he was re-elected in 1916, 1919, 1923, and 1927. He was appointed to the Legislative Council of Quebec for Montarville in 1932 and served until his death in 1956.[1]
His brothers, Louis-Joseph Lemieux and Rodolphe Lemieux, were both politicians.[1]