Costas Douzinas (Greek: Κώστας Δουζίνας; born 1951) is a professor of law, a founder of the Birkbeck School of Law and the Department of Law of the University of Cyprus, the founding director of the Birkbeck Institute for the Humanities at Birkbeck, University of London, the President of the Nikos Poulantzas Institute and a former politician.