| Joey Ramsden | Wolverhampton
03-Mar-26,
Forever Noah |
| Joey Soma | Turffontein
21-Feb-26,
Believe In Fate |
| Johan J Vuuren | Turffontein
26-Feb-26,
Irish Wilma |
| Johanna Urieta | Mahoning Valley
03-Mar-26,
Princessofthenorth |
| John (MJ) O'Connor | Mount Gambier
08-Aug-25,
Womanizer |
| John & Chris Ledger | Wangaratta
28-Feb-26,
Chaandee |
| John & Shane Phillips | Ascot Park
14-Feb-26,
Tiger Fire |
| John A O'Connor | Murray Bridge
10-Jan-18,
Bold Zamour |
| John A P Smith | Lismore
07-May-16,
Summer Forever |
| John A Sprague | |
| John A. Grabowski | Finger Lakes
27-Nov-25,
Candy Is Dandy |
| John A. Hancock | Turfway Park
28-Feb-26,
Dot Your Eyes |
| John A. Shirreffs | Santa Anita
01-Feb-26,
Westwood |
| John A. Stinebaugh | Zia Park
15-Dec-25,
Hes A Jet One |
| John Alexander Ortiz | Oaklawn Park
02-Mar-26,
Bemis |
| John Allen | Sale
01-Mar-26,
Gentleman Jim |
| John Allred | Turf Paradise
26-Feb-26,
Jess Go West |
| John Anthony Leblanc | Fair Grounds
15-Feb-25,
Cookn Wit Catman |
| John Askevold | Albany
27-Apr-17,
Olaf |
| John B Scott | Bowraville
24-Sep-16,
Rodeo Hotshot |
| John Bannister | Port Macquarie
22-Feb-26,
Our Emily |
| John Barr | Townsville
20-Dec-22,
Roc De Khaper |
| John Bary | Trentham
01-Mar-26,
Afternoon Siesta |
| John Bateman | Goulburn
18-Dec-20,
Agent Gibbs |
| John Beagan | Muswellbrook
04-Jan-10,
Foreignfarewell |
| John Bernard | Fair Grounds
20-Jan-26,
Liberty Simone |
| John Berry | Newcastle
16-Feb-26,
Tarbat Ness |
| John Betts | |
| John Blackadder | Wingatui
28-Feb-26,
Crunchie Boy |
| John Blacker | Launceston
25-Feb-26,
Wineglass Bay |
| John Boegner | Lone Star Park
15-Nov-25,
Gladiator |
| John Booker | Kempsey
08-Nov-19,
Mymatemitch |
| John Borham | Moruya
23-Jan-26,
Devgru |
| 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 | Colac
01-Mar-26,
Coldenkim |
| John Brown | Mountaineer
30-Jun-25,
Ry's Revenge |
| John Byrne | Kilcoy
20-Dec-19,
Backup Billy |
| John C. Carlisle | Charles Town
07-Feb-26,
Oso |
| John C. Ivory | Santa Anita
08-Feb-26,
Mperfection |
| John C. Kimmel | Aqueduct
21-Feb-26,
Waitin'onasunnyday |
| John C. Servis | Turfway Park
27-Feb-26,
West Of Lex |
| John C. Wainwright | Turfway Park
22-Feb-26,
Hobbs |
| John Cane | Lark Hill
22-Sep-25,
Incandescent Lady |
| 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 Collison | Dubbo
12-Jan-26,
Battle Reign |
| John Coolahan | Echuca
03-Aug-09,
INVASIVE ROSE |
| John Cooper | Beaumont
15-Jan-26,
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 |