Authors starting with I
- I. F. Stone29
- Iain Banks24
- Idi Amin26
- Ignacy Domeyko5
- Ignatius of Loyola30
- Igor Stravinsky32
- Immanuel Jakobovits7
- Immanuel Kant92
- Imran Khan42
- Indira Gandhi31
- Ingmar Bergman89
- Iolo Goch6
- Ira Gershwin30
- Ira Levin14
- Irving Berlin33
- Irving Caesar8
- Irving Fiske4
- Irving Layton17
- Isaac Asimov107
- Isaac Bashevis Singer69
- Isaac de Benserade3
- Isaac Leib Peretz13
- Isaac Newton70
- Isabel Paterson33
- Isidor Isaac Rabi14
- Isidore of Seville15
- Ismail Enver15
- Isoroku Yamamoto16
- Israel Shahak7
- Israel Zangwill30
- Ivan Agayants4
- Ivan Konev9
- Ivan Pavlov51
- Ivan Turgenev14
- Ivo Andric18
- Iwane Matsui9