| I C Spencer | Wed, 12th Oct 2011 Northam Race 6 with Grey Times |
| Iain Jardine | Tue, 6th Nov 2018 Flemington Race 7 with Nakeeta |
| Ian & Nick Hay | Sun, 28th Apr 2024 Hobart Race 2 with Macan |
| Ian Albuino | Fri, 28th Jul 2017 Broome Race 3 with Right Honourable |
| Ian Anderson | Fri, 12th Apr 2013 Geelong Synthetic Race 4 with ROB'S LADY |
| Ian Boettcher | Mon, 16th Jul 2018 Murtoa Race 3 with Natliruth |
| Ian Brown | Wed, 14th Dec 2011 Ascot Race 6 with First Consul |
| Ian Buchanan | Sun, 14th Sep 2014 Deagon Race 7 with Stella Bandiera |
| Ian Coleman | Sun, 20th Nov 2022 Townsville Race 6 with Dalon |
| Ian Collins | Sun, 3rd Apr 2022 Gawler Race 2 with Heavenly Award |
| Ian Cook | Fri, 26th Apr 2024 Tamworth Race 4 with Prince Carlos |
| Ian D Shaw | Fri, 26th Apr 2024 Mackay Race 1 with Lifetime Quest |
| Ian Dodd | Sat, 22nd Apr 2017 Toowoomba Race 2 with American At Sea |
| Ian Dowden | Fri, 3rd Aug 2018 Gatton Race 1 with Fig |
| Ian Finn | Sun, 14th May 2023 Queanbeyan Race 4 with Ostwind |
| Ian Fletcher | Fri, 13th Apr 2012 Geelong Synthetic Race 4 with Our Second Chance |
| Ian Glading | Wed, 1st Jul 2020 Belmont Race 4 with Upsidedown Bob |
| Ian Gleeson | Sat, 14th Apr 2012 Toowoomba Cushion Track Race 2 with Whisprian |
| Ian Harrison & Ron Cowley | Fri, 9th Sep 2016 bet365 Geelong Synthetic Race 7 with Reindeer Lake |
| Ian Holland | Sat, 20th Apr 2024 Warren Race 6 with Mr Cosmic |
| Ian Hunt | Sat, 6th Feb 2010 Gold Coast Race 1 with RADIO |
| Ian Hutchins | Tue, 26th Jul 2022 Bairnsdale Race 7 with Shy Doll |
| Ian Jackson | Sat, 6th Feb 2021 Eagle Farm Race 2 with Pexbury Avenue |
| Ian Johnson | Sat, 26th Jan 2013 King Island Race 1 with Half A Princess |
| Ian Jones | Thu, 25th Apr 2024 Moe Race 2 with Slippery Rich |
| Ian Kennedy | Thu, 17th May 2012 Hawkesbury Race 5 with SAVADAN |
| Ian Keys | Wed, 3rd Mar 2010 Doomben Race 5 with Freekeh |
| Ian Livingstone | Sat, 20th Apr 2024 Gold Coast Poly Race 5 with Tamsin |
| Ian Lyne | Fri, 5th Sep 2014 Ipswich Race 3 with Optimistic Angel |
| Ian M Stewart | Tue, 6th Mar 2012 Scone Race 4 with Rhythmic Ranger |
| Ian Malcolm | Sun, 25th Sep 2011 Sunshine Coast Race 7 with NINTH DUKE |
| Ian Mcrobert | Sat, 7th Oct 2017 Port Macquarie Race 1 with Nobility |
| Ian Nicholson | Wed, 5th Aug 2009 Doomben Race 3 with SALAMINE |
| Ian Pankhurst | Sat, 6th Apr 2024 Avoca Race 2 with Downtown Man |
| Ian Parrinder | Fri, 8th Oct 2010 Ipswich Race 4 with Celtic Cove |
| Ian Prizeman | Fri, 26th Apr 2024 Mackay Race 8 with Svindal |
| Ian Rea | Mon, 11th Jul 2011 Corowa Race 6 with DONNA'S GIRL |
| Ian Savins | Fri, 25th May 2018 Casino Race 6 with Passion to Win |
| Ian Seeds | Sat, 13th Feb 2021 Rockhampton Race 2 with Emperor's Reward |
| Ian Shaw | Sat, 7th Nov 2009 Flemington Race 8 with HOORANG |
| Ian Shield | Sun, 21st Apr 2024 Pinjarra Race 1 with Who'd A Thought It |
| Ian Stewart | Fri, 5th Dec 2014 Riccarton Park Race 4 with Vite Celebre |
| Ian Symons | Mon, 6th Jan 2020 Gunnedah Race 3 with Rule Me Out |
| Ian Virtue | Thu, 22nd Aug 2019 Moe Race 5 with Kevin's Time |
| Ian W Fletcher | Tue, 19th Jan 2016 Echuca Race 3 with Mr Untouchable |
| Ian Webb | Sat, 24th Mar 2018 Bairnsdale Race 3 with Faith in Beers |
| Ian Williams | Sun, 28th Apr 2024 Bath Race 6 with Trip To Rome |
| Ian Yan | Sun, 16th Aug 2015 Corowa Race 2 with Jagungal |
| Iliria Dauti | Wed, 12th Mar 2014 Geraldton Race 8 with Ballistic Miss |
| Imogen Miller | Sun, 28th Apr 2024 Hobart Race 1 with Ride The Moon |
| Indiana Turner | Sat, 27th Apr 2024 Gold Coast Poly Race 6 with Shinshinto |
| Indianna Weinert | Thu, 25th Apr 2024 Kalgoorlie Race 2 with Bayraktar |
| Ingo Boess | Wed, 15th Aug 2012 Gawler Race 6 with Crystal Gazer |
| Ingrid Laing | Sun, 31st Oct 2010 Sunshine Coast Race 2 with Legal Street |
| Innes Fahey | Tue, 19th Oct 2010 Grafton Race 1 with POMONAL BLAZE |
| Irene Anderson | Sun, 31st Jan 2010 Pinjarra Race 3 with Flatley Affirmed |
| Irene Cowell | Mon, 4th Feb 2019 Cessnock Race 1 with Baron Bold |
| Irene McHutchinson | Sat, 30th Nov 2013 Yarra Valley Race 1 with Posh Beauty |
| Iris Peskett | Sun, 15th Apr 2018 Naracoorte Race 4 with Ready For Action |
| Iris Zimmermann | Tue, 5th Dec 2023 Corowa Race 2 with Woody Wildcat |
| Isabelle Richardson | Sun, 14th Apr 2013 Dubbo Race 7 with Blades Of Glory |
| Ismail Mohammed | |
| Ivan Bridgeman | Sun, 11th Nov 2018 York Race 6 with Memoirs of Paris |
| Ivan Duke | Wed, 25th Jun 2014 Eagle Farm Race 1 with Taystar |
| Ivan Haggerty | Wed, 23rd Jun 2021 Belmont Park Race 10 with Stockyard Gossip |
| Ivan Lister | Thu, 11th Jan 2024 Wangaratta Race 5 with Burning the Clock |
| Ivan Nolte | Sun, 9th Jun 2019 Edenhope Race 9 with Romanze |
| Ivy Bilos | Sat, 29th Jan 2022 Ascot Race 6 with Misty Lad |
