Encyclopedias, Almanacs, Transcripts, and Maps
- Innoshima
- Innuitians
- Innwa
- Inouye, Kaoru
- insect repellent
- insectivorous plants
- Inside Passage
- installment buying and selling
- Institut de France
- Institute of International Law
- instrument flight regulations
- instrument-landing system
- insulin shock
- Insurance—Those With and Those Without
- Integrated Ocean Drilling Program
- Intelsat
- Intentional Communities
- Inter-American Conferences
- intercontinental ballistic missile
- Interfaith Marriage