Encyclopedias, Almanacs, Transcripts, and Maps
- Iglesias Pantin, Santiago (1872–1939)
- Iglesias, José María (1823–1891)
- Iglesias, Miguel (1830–1909)
- Iglulik Inuit
- Ignatius Loyola 1491–1556 Saint and Founder of the Jesuit Order
- Iguaçú
- Iguaçu Falls
- Ijo
- Ikha al-Watani Party
- Ikhw?n al-?af??
- Ikhwan
- Il'in, Ivan Aleksandrovich (1883–1954)
- Ilanon
- Illapa
- Illescas, Carlos (1918–1998)
- Illia, Arturo Umberto (1900–1983)
- Illich, Ivan
- Illuminationism
- Illusions
- Ilocanos