Jacques Viger (May 7, 1787 – December 12, 1858) was an antiquarian, archaeologist, and the first mayor of Montreal, Quebec, Canada.

After his studies he went to Quebec, where he worked as an editor of the newspaper Le Canadien from November 1808 to May 1809.

Viger served as captain in the Canadian Voltigeurs unit under Charles de Salaberry during the War of 1812.

Although he wrote little, his reputation as an archaeologist was universal, and the greatest contemporary historians of France and the United States have drawn from his collection of manuscripts, based on forty years of research.

), wherein he gathered plans, maps, portraits, and valuable notes illustrating many contested historical points.