- Jennifer Iacopelli
- Jorge Ibargüengoitia
- Eva Ibbotson
- Toby Ibbotson
- Eric Idle
- Rachel Ignotofsky
- Francis Iles
- Glyn Iliffe
- Mark Illis
- Martin Impey
- Rose Impey
- Catharina Ingelman-Sundberg
- Lucy Inglis
- Chloe Inkpen
- Chloe Inkpen
- Deborah Inkpen
- Mick Inkpen
- Mick Inkpen
- Chris Inns
- Stephen Inwood
- Rachel Ip
- Will Iredale
- Virginia Ironside
- Washington Irving
- Jude Isabella
- Moses Isegawa
- Senur Isik
- Yasmeen Ismail
- Kayla Itsines
- Dave Itzkoff
- Mr Iwi
- B.K.S. Iyengar
- Shahroo Izadi