| Abraham Ibrahim (Syr) | Abror Isakov (Uzb) | Ahmed Ismail (Usa) | Akmal Isakov (Uzb) |
| Alberto Iarossi (Ita) | Alexander Igoshin (Rus) | Alexei Ivanov (Rus) | Alexey Iremashvili (Rus) |
| Ali Ibshara (Aus) | Ali Ismaeel (Kuw) | Ali Ismail (Kuw) | Amit Inbar (Isr) |
| Andrei Ionescu (Rou) | Andrei Iordachescu (Rou) | Andres Intriago (Ecu) | Andrew Ilie (Aus) |
| Andrew Irving (Nzl) | Andrey Ilnytsky (Ukr) | Artem Ilyushin (Rus) | Artem Isaev (Rus) |
| August Iwdal (Swe) | Bogdan Ivascu (Rou) | Camil Ilie (Rou) | Candy Idoko (Ngr) |
| Carlos Conde-Iglesias (Esp) | Carlos Rexach-Itoiz (Esp) | Charles Irie (Civ) | Damian Dario Iturriaga (Arg) |
| Damiano di Ienno (Ita) | Daniel Ignatowitcz (Pol) | Daniel Isaza (Col) | Daniel Iserhard (Bra) |
| Danil Isiantaev (Rus) | Denis Istomin (Uzb) | Dennis Isaev (Uzb) | Dimitrios Iatropoulos (Gre) |
| Dmitry Ivanchenko (Rus) | Dmitry Ivanov (Uzb) | Dmytro Ishtuganov (Ukr) | Dominic Inglot (Gbr) |
| Dragos Constantin Ignat (Rou) | Eide Igarashi (Bra) | Enrico Iannuzzi (Ita) | Enrico Iori (Ita) |
| Erkan Irtem (Tur) | Federico Iraola (Arg) | Gabriel Ionascu (Rou) | Gafur Ishmatov (Uzb) |
| Georges Israel (Fra) | Goran Ivanisevic (Cro) | Grant Ive (Rsa) | Guillerme Tavares Iantorno (Bra) |
| Hicham Fathi El Idrissi (Mar) | Hidekazu Ina (Jpn) | Hiroki Ishii (Jpn) | Ibukun Ilesanmi (Ngr) |
| Igor Ibrisbegovic (Bih) | Inaki Alcalde-Perez Ilzarb (Esp) | Ismael Iglesias (Esp) | Ivan Iliachenko (Rus) |
| Ivan Ivanov (Ukr) | Ivelin Iliev (Bul) | Javier Peris-Inigo (Esp) | Jean-Noel Insausti (Fra) |
| Jerome Inzerillo (Fra) | John Isner (Usa) | Jonathan Igbinovia (Ngr) | Ju-Yeong Im (Kor) |
| Jukka Immeli (Fin) | Jun Ito (Jpn) | Junichi Ishiura (Jpn) | Kotero Isobe (Jpn) |
| Kyu-Tae Im (Kor) | Leonard Ivic (Cro) | Lorenz Ilg (Ger) | Lucas Izkovitz (Bra) |
| Madalin Ivan (Rou) | Mandondo Ivy (Usa) | Marc Ijzermann (Ned) | Marcelo Ingaramo (Arg) |
| Mario Ielpo (Ita) | Markus Ingold (Ger) | Marlon Van Ingen (Ned) | Marsel Idrisov (Uzb) |
| Marsel Ilhan (Tur) | Matthew Illingworth (Gbr) | Miguel Iglesias (Esp) | Mikk Irdoja (Est) |
| Milen Ianakiev (Ger) | Mirko Ivanda (Cro) | Mohamed Ibrahim (Rsa) | Monday Igbinovia (Ngr) |
| Murad Inoyatov (Uzb) | Murod Ibragimov (Uzb) | Nadin Teofil Indre (Rou) | Nodar Itonishvili (Geo) |
| Obaro Iroro (Usa) | Obid Ikramov (Uzb) | Olandreu Ivy (Usa) | Pavel Ivanov (Rus) |
| Peter Ianello (Usa) | Radu-Traian Ionescu (Rou) | Rafael Ivars (Fra) | Raul Intriago (Ecu) |
| Razvan Iliescu (Rou) | Razvan Itu (Rou) | Richard Irwin (Gbr) | Robert Iliev (Sui) |
| Rogelio Irigoyen (Mex) | Ryohei Ittogi (Jpn) | Sarvar Ikramov (Uzb) | Satoshi Iwabuchi (Jpn) |
| Sebastian Ionescu (Rou) | Seong Hyeon Im (Kor) | Sergey Ionov (Rus) | Shinji Inoue (Jpn) |
| Shota Iino (Jpn) | Shuhei Inuino (Jpn) | Simeon Ivanov (Bul) | Stanislav Ichkov (Arg) |
| Stanislav Iliev (Bul) | Stefan Imielski (Ger) | Stefano Ianni (Ita) | Sunday Igbinovia (Ngr) |
| Sung-Ho Im (Kor) | Sylvain Iff (Sui) | Takahiro Inoue (Jpn) | Takahiro Ittogi (Jpn) |
| Takeshi Itoh (Jpn) | Tasuku Iwami (Jpn) | Tatsuma Ito (Jpn) | Temur Ismailov (Uzb) |
| Tomohiro Ishii (Jpn) | Torsti Inberg (Fin) | Tsubasa Ito (Jpn) | Uladzimir Ignatik (Blr) |
| Vadim Ivchenko (Kaz) | Victor Ionita (Rou) | Victor Ivanchev (Bul) | Victor-Andrei Ion (Rou) |
| Vladimir Ivanov (Est) | Wasiu Ibrahim (Ngr) | Yaoki Ishii (Jpn) | Yassine Idmbarek (Mar) |
| Yasuteru Ishii (Jpn) | Yugo Inoue (Jpn) | Yuichi Ito (Jpn) | Yuta Ishizaki (Jpn) |
| Zach Itzstein (Aus) |
