| John Bateman | Goulburn 18-Dec-20, Agent Gibbs |
| John Beagan | Muswellbrook 04-Jan-10, Foreignfarewell |
| John Bernard | Fair Grounds 14-Mar-25, Eve Eve |
| John Berry | Bath 20-Oct-25, Solar Saving |
| John Blackadder | Ashburton 19-Oct-25, Amiinit |
| John Blacker | Launceston 17-Oct-25, Araya Sunshine |
| John Boegner | Lone Star Park 19-Oct-25, Bok Black Diamond |
| John Booker | Kempsey 08-Nov-19, Mymatemitch |
| John Borham | Goulburn 24-Aug-25, Abitsuss |
| John Bourke | Moree 17-Dec-22, Charming Sam |
| John Bowtell | Pinjarra Park 15-Jun-17, It's All an Act |
| John Braithwaite | Strathalbyn 02-Jun-11, PULSING |
| John Brennan | Wangaratta 06-Dec-16, Rhonda in Paris |
| John Brooks | Warrnambool 09-Sep-25, Dempsey Girl |
| John Brown | Mountaineer 30-Jun-25, Ry's Revenge |
| John Byrne | Kilcoy 20-Dec-19, Backup Billy |
| John Cane | Pinjarra 23-Mar-25, Angel Academy |
| John Cannon | Thistledown 03-Jul-25, Riesenberg |
| John Carlisle | Charles Town 29-Jun-25, Eccentric |
| John Carlo Iuele | Gawler 06-Jan-16, Bowtale |
| John Castleman | Mildura 12-Mar-17, Arandom |
| John Charalambous | Woodbine 19-May-25, Boston Tea Party |
| John Chilcott | Ascot 13-Dec-14, Rubykon Lass |
| John Coolahan | Echuca 03-Aug-09, INVASIVE ROSE |
| John Cooper | Hawkesbury 16-Oct-25, Listins Lass |
| John Cornell | Port Augusta 09-Apr-17, Belgietto |
| John Corriveau | Thistledown 15-Oct-25, Rivers Angel |
| John Cortez | Los Alamitos Racecourse 05-Jul-25, Carver |
| John Coryat | Woodbine 17-May-25, Six For A Nine |
| John Cox | Oaklawn Park 03-May-25, Quick Buck |
| John Crane | Rockhampton 28-Feb-19, I Trust Layla |
| John Croucher | Balaklava 18-Jun-25, Prance 'N' Dance |
| John Cullen | Sligo 08-Aug-25, Cornmarket |
| John Dann | Toowoomba 06-Oct-25, Tsukino |
| John Dawson | Hexham 03-Oct-25, Cap Ricochet |
| John Delahunty | Oakley 11-May-24, Lanzoffany |
| John Dieckmann | Toowoomba Cushion Track 21-May-11, Ramani |
| John Dillow | Charles Town 13-Oct-23, Wicked Wisdom |
| John Doyle | Belmont 06-Sep-25, My Hidden Universe |
| John Durston | Rockhampton 09-Apr-22, Duble Gaze |
| John E & Kiely | Punchestown 15-Oct-25, Liberated Light |
| John East | Orange 12-Apr-13, Witch's Honour |
| John Eaton | Kalgoorlie 02-Nov-19, Chantego Star |
| John Edmunds | Sunshine Coast 12-Nov-21, Roanoke |
| John Ennis | Keeneland 20-Oct-25, Rest Of The World |
| John Erdel | Thistledown 22-Aug-25, Leavenworth |
| John Everson | Doomben 14-Oct-17, Al Shameel |
| John F O'Neill | Galway 08-Oct-25, Phoenix Arizona |
| John Fahey | Caloundra 09-Oct-09, ELTON'S SON |
| John Fairleigh | Muswellbrook 23-May-21, Gerwig |
| John Fennessy | Mountaineer 22-Oct-25, Bromista |
| John Ferguson | Dalby 26-Jun-25, My Turn Astern |
| John Foutch | Lone Star Park 20-Oct-23, Dupontes Courage |
| John G Carr | Punchestown 15-Oct-25, Fr Gilligansvoyge |
| John Gaffney | Wangaratta 02-Jul-18, Grouseness |
| John Gamble | Sapphire Coast 05-Apr-24, Sucrose |
| John Gangemi | Broome 13-Aug-22, Many Mansions |
| John Gilligan | Geelong 25-Jul-25, Distant Dream |
| John Gilmore | Gold Coast 18-Oct-25, Amahni's Girl |
| John Glatz | Murray Bridge GH 11-Dec-19, Instinctual |
| John Gould | Tatura 01-May-10, FANTHEBLAZE |
| John Grabowski | Finger Lakes 14-Oct-25, Morning Cup |
| John Griffiths | Sportsbet-Pakenham 17-Feb-22, Semilla |
| John Guciardo | Presque Isle Downs 22-Oct-25, Highland Holiday |
| John Gunning | Racing.com Park 01-Mar-18, Jensgal |
| John H Fulton | Yarra Valley 20-Mar-16, Got To Be Dancing |
| John Hamilton | Nanango 17-May-25, Oakfield Comanche |
| John Hammon | Stony Creek 13-Mar-11, Oscar |
| John Hancock | Kentucky Downs 11-Sep-25, Givemethebeat |
| John Hanneybel | Taree 11-Aug-09, EIREMAIZE |
| John Haran | Horseshoe Indianapolis 22-Oct-25, Amazing Mike |
| John Hayes | Bellewstown 05-Jul-25, Abiding Star |
| John Hearne | Goondiwindi 12-Apr-25, Casino Cat |
| John Heath | Moe 19-Oct-25, First Tosen |
| John Heelan | Mackay 05-Jun-25, Ilios |
| John Higgins | Port Macquarie 11-Oct-25, Recluse |
| John Hill | Ellis Park 17-Aug-25, Spuns Son |
| John Hine | Armidale 23-Nov-13, Elliemac |
| John Hirdes | Fair Grounds 17-Jan-25, Come On Come On |
| John Hogan | Racing.com Park Synthetic 10-Oct-16, Sheer Magic |
| John Holcombe | Sunshine Coast 19-Oct-25, Parat Sibifortunam |
| John Holgate | Goulburn 10-Nov-12, Milbrodale |
| John Howard | Warrnambool 11-Nov-24, Walkabout Lady |
| John Hubbard | Toowoomba 06-Oct-25, Taradale |
| John Hughes | Lismore 21-Sep-17, Bon Leanga |
| John Hyam | Morphettville 18-Oct-25, Dolcemente |
| John Ivory | |
| John J Maguire | Punchestown 26-Nov-23, Party Rocker |
| John J Roberts | Geelong 23-Aug-24, Jimmy Odd Sock |
| John Keane | Ballarat Synthetic 26-Aug-25, Wind Dreamer |
| John Keys | Launceston 17-Oct-25, Sky Land |
| John Kiernan | Wanganui 14-Jun-25, Headline News |
| John Kilroy | Cairns 30-Sep-25, Travelling Sweet |
| John Kimmel | Aqueduct 18-Apr-25, Mariachi |
| John Kirby | Aqueduct 04-Jan-25, Tricolour |
| John Kluske | Balaklava 30-Oct-13, McLaren Overture |
| John Knight | Wangaratta 24-Jan-12, Penny Precious |
| John L Johnston | Sunshine Coast 19-Oct-25, Twilight Steps |
| John L Morrison | Kembla Grange 17-Jul-25, Flash Piper |
| John Ladner | Fair Grounds 05-Feb-24, Lord Help Me |