Guillaume Couture (January 14, 1618 – April 4, 1701) was a citizen of New France. During his life he was a lay missionary with the Jesuits, a survivor of torture, a member of an Iroquois council, a translator, a diplomat, a militia captain, and a lay leader among the colonists of the Pointe-Lévy (now named Lévis city) in the Seigneury of Lauzon, a district of New France located on the South Side of Quebec City.