Colonel Sir Joseph David Rodolphe Forget (December 10, 1861 – February 19, 1919) was an important Canadian business investor, stockbroker, and politician. He held national directorships and had major investments in energy companies as well as industrial concerns and railway companies in the Provinces of Quebec and Ontario.Born at Terrebonne in what was then known as Canada East, he was the only son of David Rodolphe Forget, a lawyer at Terrebonne, the brother of The Hon. Louis-Joseph Forget.