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- I Am Curious (Yellow) - I Am Curious
- I Just Can't Stop It (album) - I Just Can't Stop It
- I Keep Mine Hidden (song) - I Keep Mine Hidden
- I of Newton (The Twilight Zone) - I of Newton
- I Only have Eyes for You (Buffy episode) (r) - I Only have Eyes for You
- I Only Have Eyes for You (Buffy episode) (r) - I Only Have Eyes for You
- Ibn-Rushd (crater) - Ibn-Rushd
- Idols (Netherlands) - Idols
- Idols (South Africa) - Idols
- If I Forget Thee Jerusalem (The Wild Palms/Old Man) - If I Forget Thee Jerusalem
- If you could hie to Kolob (hymn) - If you could hie to Kolob
- Ikara (missile) - Ikara
- Ilves (ice hockey) - Ilves
- Images of dogs (misc) (r) - Images of dogs
- Immortal Memory (album) - Immortal Memory
- In Flander's Fields (poem) (r) - In Flander's Fields
- In the Time of the Butterflies (movie) - In the Time of the Butterflies
- In the Time of the Butterflies (novel) - In the Time of the Butterflies
- Inca Mummy Girl (Buffy episode) - Inca Mummy Girl
- Inclusion (mathematics) - Inclusion
- Inclusion (mineral) - Inclusion
- Independent Democrats (South Africa) - Independent Democrats
- Indian Lake (Ohio) - Indian Lake
- Indoor Arena (Athens) - Indoor Arena
- Infinitely many monkeys (probability theory) (r) - Infinitely many monkeys
- Information and Communication for Development (ICD) - Information and Communication for Development
- Inked (magazine) - Inked
- Inkster (Manitoba riding) - Inkster
- Inky (monster) - Inky
- Inner West (Sydney) - Inner West
- Instance-based (programming) (r) - Instance-based
- Instrument of Accession (Jammu and Kashmir) - Instrument of Accession
- Intergovernmental Affairs Secretariat (Canada) - Intergovernmental Affairs Secretariat
- InterMezzo (file system) - InterMezzo
- Internacional (football club) (r) - Internacional
- International Exhibition (1862) - International Exhibition
- International Exhibition of Navigation, Commerce and Industry (1886) - International Exhibition of Navigation, Commerce and Industry
- International Workers' Unity (Fourth International) - International Workers' Unity
- Interpreted (programming languages) (r) - Interpreted
- Intervale Avenue (New York Subway) - Intervale Avenue
- INtolerance (movie) (r) - INtolerance
- Inu Yasya (character) (r) - Inu Yasya
- Inubus (demon) (r) - Inubus
- Inubus (Demon) (r) - Inubus
- Iolin Concerto (Beethoven) (r) - Iolin Concerto
- Iraq coup (1941) - Iraq coup
- Irish general election, 1927 (June) - Irish general election, 1927
- Irish General Election, 1927 (June) (r) - Irish General Election, 1927
- Irish general election, 1927 (September) - Irish general election, 1927
- Irish General Election, 1927 (September) (r) - Irish General Election, 1927
- Irish General Election, 1982 (Feb) (r) - Irish General Election, 1982
- Irish General Election, 1982 (February) (r) - Irish General Election, 1982
- Irish General Election, 1982 (November) (r) - Irish General Election, 1982
- Irish States (1171-present) - Irish States
- Isonoe (moon) - Isonoe
- Isotope table (complete) - Isotope table
- Isotope table (divided) - Isotope table
- It Ain't Me Babe (comic) - It Ain't Me Babe
- Italian Market (Philadelphia) - Italian Market
- Iéna (Paris Metro) - Iéna