Élisée Thériault (January 11, 1884 – July 30, 1958) was a lawyer and political figure in Quebec.

He represented L'Islet in the Legislative Assembly of Quebec from 1916 to 1929 as a Liberal.

He was born in Saint-Alexandre-de-Kamouraska, Quebec, the son of Pierre Thériault and Marie-S. Saint-Pierre.

Thériault resigned his seat in the Quebec assembly after he was named to the Legislative Council of Quebec for Kennebec division.

He died in office in Quebec City at the age of 74 and was buried in the Cimetière Notre-Dame-de-Belmont at Sainte-Foy.