Denis Viger (June 6, 1741 – June 16, 1805) was a carpenter, businessman and political figure in Lower Canada.
He was born in Montreal in 1741, the son of a shoemaker.
He worked as a carpenter and also carved wooden objects for the church at Saint-Denis.
Viger then worked for the HĂ´tel-Dieu in Montreal.
He also was involved in the sale and export of potash.
In 1796, he was elected to the Legislative Assembly of Lower Canada in Montreal East as a supporter of the parti canadien.
He died at Montreal in 1805.
His son Denis-Benjamin later played an important role in the politics of the province.
His nephew, Jacques Viger, was the first mayor of Montreal and his nephew Louis-Michel Viger became a lawyer and also served in the legislative assembly.