The Theological Repository was a periodical founded and edited from 1769 to 1771 by the eighteenth-century British polymath Joseph Priestley. Although ostensibly committed to the open and rational inquiry of theological questions, the journal became a mouthpiece for Dissenting, particularly Unitarian and Arian, doctrines. Joseph Johnson, Priestley's close friend and publisher, was responsible for issuing the journal. Dedicated to the Unitarian cause, he bore much of the financial burden of the enterprise.