Athletes · I
- Iain Valliere
- Ian Harrison
- Iana Poutintseva
- Ibrahim Sallam
- Ibrahim Sami Fahim
- Ibrahim Sobhy
- Idalia Molina
- Idaliz Alvarez
- Idrise Ward-El
- Ignacio Grenziolo
- Igor Diniz
- Igor Fedorov
- Igor Williams
- Ikenna Amaliri
- Ilaria Armeni
- Ilaria Di Matteo
- Ilaria Focaccetti
- Ilen Villanueva Delgado
- Ilya Kvashnin
- Iman Rezari
- Imran Khan
- In Seong You
- Ina Lopulesa
- Incinur Celik
- India Paulino
- Indrell Thomas
- Ines Das Neves
- Ines Neves
- Inez Fitnez
- Inez Sobczak
- Inga Neverauskaite
- Inger Zetterqvist
- Ingvar Larsson
- Inna Gavryliuk
- Intack Lee
- Iren Finna
- Irene Andersen
- Irene Donet
- Irene Iravedra
- Irene Iravedra Cunarro
- Irene Tristane
- Ireneusz Ptucha
- Irfan Asghar
- Irina Magdieva
- Irina Post
- Iris Kyle
- Iris Mango
- Irving Steele
- Iryna Tullos
- Isaac Baier
- Isaac Dobson
- Isaac Francis
- Isaac J. Hall II
- Isaac Tse
- Isabel Ruiz Baena
- Isabel Vigo Smith
- Isabella Silva
- Isabelle Aguiar
- Isabelle Fagan
- Isabelle Hudson
- Isabelle Jackson
- Isabelle Nunes
- Isabelle Primard
- Isabelle Turell
- Isadora Nogueira
- Isai Kesek
- Isaiah Hawthorne
- Isaiah Hilton
- Isaiah Wilson
- Isaias Paez Martinez
- Isaias Poiet Martinez
- Isamar Hansen
- Isamara dos Santos
- Isha Barrow
- Ismael Martinez Dominguez
- Ismail Radwan
- Issa Al Hasani
- Issam Said
- Issis Syhler
- Istvan Kis Horvath
- Itemberg Nunes
- Itemberg Nunes doNascimento
- Itzel Reyes Ouviert
- Iulia Maria Baba
- Iulia Rusu
- Iurii Sologub
- Ivan Cabrera
- Ivan Zeviakin
- Ivana Dvorakova
- Ivana Ivusic
- Ivana Paola Robello
- Ivana Vuckovic
- Ivanna Escandar Fernandez
- Iveth Carreon
- Ivi Escandar
- Ivie Rhein
- Ivone Flores
- Ivory Turner III
- Izaiah Andrews
- Iziah Kanhai