| Adolphe Marcoux | |
| Office: | Member of the Legislative Assembly of Quebec for Québec-Comté |
| Predecessor: | Francis Byrne |
| Successor: | François-Xavier Bouchard |
| Term Start: | 1936 |
| Term End: | 1939 |
| Birth Date: | 29 October 1884 |
| Birth Place: | Beauport, Quebec |
| Death Place: | Beauport, Quebec |
| Party: | Union Nationale |
Adolphe Marcoux (October 29, 1884 – September 10, 1951) was a physician and a nationalist politician in Quebec, Canada.
Born in Beauport, Quebec, Marcoux won a seat to the Legislative Assembly of Quebec as a Union Nationale candidate in the 1936 election in the district of Québec-Comté. In 1937, he and colleagues René Chaloult, Oscar Drouin, Joseph-Ernest Grégoire and Philippe Hamel left the Union Nationale.[1] Marcoux did not run for re-election in the 1939 election.