The Institute for Human Security (IHS; formally the Henry J. Leir Institute for Human Security) is an interdisciplinary education and research organization founded in 2001, devoted to the study of human security, within The Fletcher School of Law and Diplomacy, at Tufts University. IHS promotes research and education on the overlaps between humanitarianism, development, human rights, and conflict resolution. It is recognized as one of the early leading academic institutions in its field.