- Ian Fleming
- Ian Maclaren
- Ian Smith
- Ignacio Estrada
- Igor Sikorsky
- Igor Stravinsky
- Ilka Chase
- Ilka Chase *
- Immanuel Kant
- Inayat Khan
- Indira Gandhi
- Ingrid Bergman
- Ira Gassen
- Irene Mayer Selznick
- Irina Dunn
- Iris Murdoch
- Irv Kupcinet
- Irving Kristol
- Irving Wallace
- Irwin Corey
- Isaac Asimov
- Isaac Babel
- Isaac Bashevis Singer
- Isaac D'Israeli
- Isaac Marion
- Isaac Newton
- Isabel Allende
- Isabelle Eberhardt
- Ivan Illich
- Ivan Pavlov
- Ivern Ball
- Ivy Baker Priest
- Iyanla Vanzant