Thérèse de Couagne (19 January 1697 – February 26, 1764) was a knowledgeable business woman who played an active role in the New France economy.
Thérèse de Couagne was married to François Poulin de Francheville in 1718 and became a widow in 1733. She became interested in business after her husband died. She also inherited ownership of the slaveMarie-Joseph Angélique, who was convicted of setting de Couagne's house on alight, starting the fire of Montreal in 1734. (Angélique was executed, but contemporary historians are unsure who set the fire.)