Theodore Salisbury Woolsey (October 22, 1852 – April 24, 1929) was a United States legal scholar, born at New Haven, Connecticut, son of Theodore Dwight Woolsey. He graduated at Yale in 1872 and at Yale Law School (1876). In 1872 he was an initiate into The Skull and Bones Society. After traveling in Europe he was instructor in public law at Yale, and for 33 years (1878-1911) professor of international law. He was one of the founders of the Yale Review and a frequent contributor to it. He wrote several essays which were collected under the title America's Foreign policy (1898), and he edited Woolsey's International Law and Pomeroy's International Law.