Frans Viljoen is the Director and Professor of the International Human Rights Law, Centre for Human Rights at the University of Pretoria.

His research area is international human rights law, with a focus on the African regional human rights system. Frans has published widely on international human rights law, including International human rights law in Africa (Oxford University Press, 2012). He is editor-in-chief of the African Human Rights Law Journal and the Global Campus Human Rights Journal, and has been involved with advocacy campaigns and litigation before the African Union human rights bodies.