| Hormisdas Langlais | |
| Predecessor: | Amédée Caron |
| Term Start: | 1936 |
| Term End: | 1962 |
| Birth Date: | 2 September 1890 |
| Birth Place: | Saint-Octave-de-Métis, Quebec |
| Death Place: | Quebec City, Quebec |
| Party: | Union Nationale |
Hormisdas Langlais was a Canadian politician and a seven-term Member of the Legislative Assembly of Quebec.He was born on September 2, 1890, in Saint-Octave-de-Métis, Bas-Saint-Laurent.
Langlais ran as an Action libérale nationale (ALN) candidate in the 1935 election and lost. He was elected as a Union Nationale candidate in the 1936 election against Liberal incumbent Amédée Caron in the provincial district of Îles-de-la-Madeleine. He was re-elected in the 1939, 1944, 1948, 1952, 1956 and 1960 elections.
He was appointed House Whip in 1944 and served as a parliamentary assistant from 1955 to 1960. He was defeated against Liberal candidate Louis-Philippe Lacroix in the 1962 election.
Langlais died on April 6, 1976, in Quebec City.