Encyclopedias, Almanacs, Transcripts, and Maps
- Intergenerational Programming
- Intergenerational Relations
- Interior, United States Department of the
- Interlingua
- intermediate range ballistic missile
- intermediate school
- intermolecular forces
- International Brotherhood of Teamsters, Chauffeurs, Warehousemen, and Helpers of America
- International Campaign to Ban Landmines
- International Center for Settlement of Investment Disputes
- International Civil Aviation Organization
- International Committee of the Red Cross
- International Comparisons of Health Care
- International Criminal Court
- International Criminal Police Organization
- International Development Association
- International Finance Corporation
- International Fund for Agricultural Development
- international gold standard
- International Grenfell Association