| Robert Lussier | |
| Office: | Member of the Legislative Assembly of Quebec for L'Assomption |
| Predecessor: | Frédéric Coiteux |
| Term Start: | 1966 |
| Term End: | 1970 |
| Birth Date: | 31 December 1924 |
| Birth Place: | Richmond, Quebec, Canada |
| Party: | Union Nationale |
Robert Lussier (December 31, 1924 - March 19, 1994) was a Canadian politician and a Member of the Legislative Assembly of Quebec.
He was born on December 31, 1924, in Richmond, Eastern Townships and became a physician. He was married to Ginette Bruneau in 1952.
Lussier served as Mayor of Repentigny, Lanaudière from 1960 to 1968.
He ran as a Union Nationale candidate to the Legislative Assembly of Quebec in the provincial district of L'Assomption in the 1966 election and won against Liberal incumbent Frédéric Coiteux. He served as a parliamentary assistant in 1967 and was appointed to the Cabinet in the same year. He served as Minister of Municipal Affairs until his defeat against Liberal candidate in the 1970 election.
In the 1970s, Lussier became a Parti Québécois activist and held executive jobs within the party structure. He was a mayoral candidate in Repentigny in 1977, but was defeated.
He died on March 19, 1994.