The Lauterpacht Centre for International Law (LCIL), University of Cambridge hosts a regular Friday lunchtime lecture series on key areas of International Law. Previous subjects have included UN peacekeeping operations, the advisory jurisdiction of the International Court of Justice, the crime of aggression, whaling, children and military tribunals, and theories and practices for proving individual responsibility criminal responsibility for genocide and crimes against humanity. This lecture, entitled 'An International Community: Is there any such thing?', was delivered at the Lauterpacht Centre on Friday, 9 October 2015 by Dr Stephen Neff, Reader in International Public Law, Edinburgh University. Please note, the question and answer sections of LCIL lectures are omitted to facilitate a free and frank discussion with participants. For more information about the series, please see the Lauterpacht Centre website at http://www.lcil.cam.ac.uk