I
125 authors- Adlai Stevenson I
- Elizabeth I
- King James I
- Stanislaus I
- Lee Iacocca
- Karl Iagnemma
- Janis Ian
- Armando Iannucci
- Serge Ibaka
- Abdullah Ibrahim
- Mo Ibrahim
- Zlatan Ibrahimovic
- Henrik Ibsen
- Carl Icahn
- Vanilla Ice
- David Icke
- Eric Idle
- Billy Idol
- Tokugawa Ieyasu
- Rhys Ifans
- Gwen Ifill
- Bob Iger
- Jarome Iginla
- Enrique Iglesias
- Gabriel Iglesias
- Michael Ignatieff
- David Ignatius
- Saint Ignatius
- James Iha
- Adlai Stevenson II
- Mateen II
- Oscar Hammerstein II
- Queen Elizabeth II
- Andre Dubus III
- Benigno Aquino III
- Clay Matthews III
- Hank Williams III
- Pope Shenouda III
- Robert Griffin III
- Daisaku Ikeda
- Ilaiyaraaja
- Greg Iles
- Immaculee Ilibagiza
- Ivan Illich
- Annie Ilonzeh
- Toomas Hendrik Ilves
- Grant Imahara
- Iman
- Natalie Imbruglia
- D. Imman
- Jeffrey R. Immelt
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- Carrie Ann Inaba
- Alejandro Gonzalez Inarritu
- Robert Indiana
- Indrans
- Sri Mulyani Indrawati
- Miguel Indurain
- Guillermo Cabrera Infante
- Mandy Ingber
- William Inge
- Jean Ingelow
- Bjarke Ingels
- Robert Green Ingersoll
- Laura Ingraham
- Brandon Ingram
- Jim Inhofe
- Andres Iniesta
- Neil Innes
- Daniel Inouye
- Thomas R. Insel
- Jay Inslee
- Eugene Ionesco
- Jimmy Iovine
- Muhammad Iqbal
- Kathy Ireland
- Patricia Ireland
- Brendan Iribe
- Jack Irons
- Jeremy Irons
- Max Irons
- Monte Irvin
- Robert Irvine
- John Irving
- Kyrie Irving
- Washington Irving
- Bindi Irwin
- James Irwin
- Steve Irwin
- Terri Irwin
- Oscar Isaac
- Susan Isaacs
- Johnny Isakson
- Jason Isbell
- Christopher Isherwood
- Kazuo Ishiguro
- Samantha Isler
- John Isner
- Israel
- Steve Israel
- Darrell Issa
- Alec Issigonis
- Ernest Istook
- Joichi Ito
- Jesse Itzler
- Johnny Iuzzini
- Aga Khan IV
- William Eardley IV
- Zeljko Ivanek
- Bidzina Ivanishvili
- Igor Ivanov
- Ana Ivanovic
- Jonathan Ive
- Allen Iverson
- Burl Ives
- Charles Ives
- Molly Ivins
- Ivory
- Satoru Iwata
- Iweala
- Sheena Iyengar
- Pico Iyer
- Shreyas Iyer
- Alija Izetbegovic
- Eddie Izzard