This report summarizes the conclusions of the IPA [now IPI] project on “The United Nations and International Terrorism”.  The concept paper and conference report, together with abridged versions of six of the papers IPA commissioned for the conference on “Responding to Terrorism: What Role for the United Nations?” (October 25-26, 2002, New York), presenting a range of views from the global South and North, make up the basis for this final report.