| Normand Duguay | |
| Birth Date: | 17 October 1941 |
| Birth Place: | Rivière-au-Tonnerre, Quebec |
| Party: | Parti Québécois |
| Office: | MNA for Duplessis |
| Term Start: | October 6, 1997 |
| Term End: | April 14, 2003 |
| Predecessor: | Denis Perron |
| Successor: | Lorraine Richard |
Normand Duguay (born October 17, 1941) is a former Canadian politician, who represented the riding of Duplessis in the National Assembly of Quebec from 1997 to 2003. He was a member of the Parti Québécois.
Born in Rivière-au-Tonnerre, Quebec, Duguay was first elected in a by-election in 1997, following the death of Denis Perron. He was re-elected in the 1998 election, but did not run again in the 2003 election.