| John Popescu | Pinjarra
08-Apr-26,
Declared Innocent |
| John Prather | Oaklawn Park
17-Mar-25,
All Green Lights |
| John Price | Moe
21-Jul-26,
Heavy Haulage |
| John Quiles | |
| John Quinn | Sha Tin
10-Dec-23,
Highfield Princess |
| John R Allen | Moe
14-May-24,
Helpmebrutha |
| John R Patterson | Quilpie
10-May-25,
Porky |
| John R. Harris | Emerald Downs
27-Jul-26,
Dc Chengs Lady Rose |
| John R. Shuler | Mountaineer
17-Sep-26,
Shotgun Margaret |
| John Ramsey | Scone
01-Sep-26,
Sheza's Show |
| John Rattle | Cranbourne
16-Jul-26,
Tipping Rain |
| John Rednour, Jr. | Fairmount Park
20-Sep-26,
Chef Ray Wiley |
| John Revell | |
| John Reynolds | Geraldton
13-Mar-26,
Inspirational Mac |
| John Rigattieri | Tampa Bay Downs
08-Dec-24,
Boston Tweet |
| John Robb | Laurel Park
19-Sep-26,
Regal Flair |
| John Robbins | Townsville
30-Apr-13,
Crooked Mary |
| John Rolfe | Wagga
19-Sep-26,
I Am Mamwaazel |
| John Rooney | Wodonga
15-Sep-26,
This Is The Moment |
| John Ross | Woodbine
19-May-25,
Junior Hot Shot |
| John Rowan | Cairns
25-Jul-15,
Glaurung |
| John Rowe | Hamilton
14-Sep-26,
Bell's Bighouse |
| John S. Pregman, Jr. | Belmont Park
21-Sep-26,
A Lot Of Gold |
| John Sadler | Los Alamitos Racecourse
20-Sep-26,
Cali Cat |
| John Salanitri | Mornington
17-Sep-26,
Midnight Glow |
| John Salzman | Laurel Park
04-Nov-24,
Street Tough |
| John Sargent | Randwick
19-Sep-26,
Palmetto |
| John Schultz | Horseshoe Indianapolis
22-May-25,
No Proof |
| John Servis | Delaware Park
09-Aug-26,
Witchy Vibes |
| John Sgavicchio | Delaware Park
20-Jul-25,
Magic Hooh |
| John Sharah | Nowra
20-Sep-26,
Power Hungry |
| John Shelton | Coffs Harbour
13-Sep-26,
Highland Force |
| John Shuler | Mountaineer
03-Sep-26,
Candy For Cynthia |
| John Simms | Woodbine
27-Apr-25,
Creativperformance |
| John Size | Sha Tin
13-Sep-26,
Mickley |
| John Slater | Woolamai
07-Feb-26,
Here's To Jane |
| John Smerdon | Gold Coast
12-Sep-26,
All About Artie |
| John Snow | Hastings Racecourse
30-Sep-24,
Texas Legacy |
| John Sprague | Coffs Harbour
13-Sep-26,
Aerofoil |
| John Stahlin | Charles Town
20-Oct-23,
Dance Lightly |
| John Stampalia | Belmont
27-May-22,
Radiant Blue |
| John Stanton | Sunshine Coast
07-Nov-17,
Coronation Trouble |
| John Staples | Woodbine
15-Dec-24,
I'm A Bourbon Girl |
| John Steffert | Te Aroha
19-Jun-16,
BACK IN BLACK |
| John Steinmetz | Nowra
20-Sep-26,
Ever Was |
| John Stephens | Monmouth Park
27-Aug-23,
Office Etiquette |
| John Steve Cannon | Thistledown
17-Sep-26,
Vodka N Gingerale |
| John Stinebaugh | Sunland Park
20-Jan-25,
Regal Intent |
| John Stubbs | Clifford Park
08-Jul-10,
Hesanothadollar |
| John Sutton | Toowoomba
09-May-26,
Roigard |
| John Swygart | |
| John Symons & Sheila Laxon | Caulfield
19-Sep-26,
Knight's Choice |
| John Symons & Sheila Laxon | Aquis Park Gold Coast
08-May-21,
Scratches |
| John T. Brown | Mountaineer
16-Sep-26,
Drewpower |
| John T. Kirby | Monmouth Park
07-Sep-26,
Empire Sky |
| John Tarin | Mount Gambier
28-Nov-25,
Moley Belle |
| John Taylor | Wodonga
07-Feb-20,
Hargy |
| John Tebbutt | Finger Lakes
25-May-23,
Luscious Lola |
| John Thom | Caulfield
19-Sep-26,
Male Model |
| John Thomas | Toowoomba
12-Sep-26,
Command Approved |