Pamphile-Gaspard Verreault (September 6, 1832 – February 7, 1906) was a farmer, notary and political figure in Quebec.
He represented L'Islet in the Legislative Assembly of Quebec from 1867 to 1878 as a Conservative member.
He was born at Saint-Jean-Port-Joli, the son of Antoine Gaspard Verreau and Hélène Fournier.
Verreault was mayor of Saint-Jean-Port-Joli from 1880 to 1893 and warden for L'Islet County from 1882 to 1893.
His nephew Louis-Auguste Dupuis also served in the Quebec assembly.