 O'Regan is an honorary professor at the University of Cape Town and a visiting professor at the University of Oxford, and was a Hauser Global Visiting Professor at New York University.She has four honorary doctorates (from the University of KwaZulu-Natal, University of Cape Town, London School of Economics and University of South Africa), is an honorary bencher of Lincoln’s Inn and was elected an honorary foreign member of the American Academy of Arts and Sciences.O'Regan is an ad hoc judge of the Namibian Supreme Court.