| John Dieckmann | Toowoomba Cushion Track
21-May-11,
Ramani |
| John Dillow | Charles Town
13-Oct-23,
Wicked Wisdom |
| John Doyle | Belmont
06-Jun-26,
My Hidden Universe |
| John Dunn & Krystal Bishop | Murray Bdge
15-Jun-26,
Cut No Ice |
| John Durston | Rockhampton
09-Apr-22,
Duble Gaze |
| John E & Kiely | Thurles
31-Oct-25,
Joyeux Vivo |
| John E. Norwood, Jr. | Lone Star Park
17-Oct-25,
Cryptonyte |
| John E. Salzman, Jr. | Laurel Park
21-Jun-26,
Had To Have Him |
| John E. Worsley | Laurel Park
27-Apr-26,
Lost My Shoe |
| John Eady | Ladbrokes Geelong
27-May-26,
Cognac In Mine |
| John East | Orange
12-Apr-13,
Witch's Honour |
| John Eaton | Kalgoorlie
02-Nov-19,
Chantego Star |
| John Edmunds | Toowoomba
20-Dec-25,
Nienna |
| John Ennis | Churchill Downs
22-Jun-26,
Got Gone |
| John Erdel | Thistledown
16-Jun-26,
Chardu |
| John Everson | Doomben
14-Oct-17,
Al Shameel |
| John F O'Neill | Kilbeggan
16-Jun-26,
Move It On Over |
| John F. Hill, Jr. | Horseshoe Indianapolis
19-Jun-26,
Spuns Son |
| John Fahey | Caloundra
09-Oct-09,
ELTON'S SON |
| John Fairleigh | Muswellbrook
23-May-21,
Gerwig |
| John Fennessy | Presque Isle Downs
23-Jun-26,
Triple Start |
| John Ferguson | Warwick
13-Jun-26,
Aussie Adaptor |
| John Fitzgerald | Narrandera
13-Jun-26,
Reward With A Rose |
| John Foutch | Lone Star Park
20-Oct-23,
Dupontes Courage |
| John G Carr | Dundalk
22-Nov-25,
Shore |
| John G Vinson | Tampa Bay Downs
19-Mar-26,
Choose Your Words |
| 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 | Yarra Valley
07-Feb-26,
Distant Dream |
| John Gilmore | Beaudesert
23-May-26,
Decarbonise |
| John Glatz | Murray Bridge GH
11-Dec-19,
Instinctual |
| John Gould | Tatura
01-May-10,
FANTHEBLAZE |
| John Grabowski | Finger Lakes
26-Nov-24,
Majestic Johnson |
| John Griffiths | Pakenham
26-Feb-26,
Olive Road |
| John Guciardo | Presque Isle Downs
17-Jun-26,
Bucchini |
| 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 | Ellis Park
02-Aug-25,
Three Coins |
| John Hanneybel | Taree
11-Aug-09,
EIREMAIZE |
| John Haran | Horseshoe Indianapolis
23-Jun-26,
Healing Waters |
| John Hayes | Bellewstown
05-Jul-25,
Abiding Star |
| John Hearne | Miles
07-Feb-26,
Casino Cat |
| John Heath | Echuca
23-May-26,
Loveofmylife |
| John Heelan | Mackay
05-Jun-25,
Ilios |
| John Henry Prather, Jr. | Oaklawn Park
01-May-26,
Miri A Coincidence |
| John Hickmott & Carrina Riggs | Morphettville
20-Jun-26,
France'S Boy |
| John Higgins | Grafton
06-Jun-26,
Finding Elle |
| John Hill | Churchill Downs
22-May-26,
Cocoa Nimbus |
| 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@Inner Track
26-May-26,
Machtig Havanagila |
| John Holgate | Goulburn
10-Nov-12,
Milbrodale |
| John Howard | Warrnambool
11-Nov-24,
Walkabout Lady |
| John Hubbard | Gold Coast
20-Jun-26,
Shawnee Boy |
| John Hughes | Lismore
21-Sep-17,
Bon Leanga |
| John Hyam | Morphettville Parks
06-Jun-26,
La Perentie |