| Gérard Chapdelaine | |
| Birth Date: | 31 July 1935 |
| Birth Place: | Coaticook, Quebec |
| Death Place: | Sherbrooke, Quebec |
| Riding: | Sherbrooke |
| Term Start: | June 1962 |
| Term End: | September 1965 |
| Predecessor: | Maurice Allard |
| Successor: | Maurice Allard |
| Profession: | Lawyer |
| Party: | Social Credit |
Gérard Chapdelaine (31 July 1935 7 August 1994) was a Social Credit party member of the House of Commons of Canada. He was a lawyer by career.
He was first elected at the Sherbrooke riding in the 1962 general election and re-elected in 1963. In the 1965 election, after being embroiled in the 1963 Social Credit party split, Chapdelaine campaigned as an independent candidate at Sherbrooke, but was defeated by independent Progressive Conservative candidate Maurice Allard.