| Jo-ann M Gordon | Ascot Park 03-Oct-25, David Moss |
| Jo-anne Dalton | Wingatui 05-Sep-25, Call Me Al |
| Jo-Anne Leeson | Pinjarra 28-Dec-24, Perfect Bubbles |
| Jo-Anne Leeson | Northam 27-Jul-23, Blast |
| Joan Amaya | Concepcion 21-May-25, Suena El Dembow |
| Joan H H | Concepcion 25-Oct-23, If You Need Me |
| Joan Milne | Meadowlands 18-Oct-25, Really Quick |
| Joan Mitchell | Fort Erie 26-Sep-23, Naval Officer |
| Joan Pracey | Wagga 24-Apr-22, Pink Patina |
| Joan Reynolds | Charles Town 17-Aug-25, Starlite Walker |
| Joann Demasson | Kalgoorlie 01-Oct-17, Dairy Queen |
| Joanna Hassett | Townsville 05-Oct-25, Prideofthebigfish |
| Joanna Lambert | Remington Park 01-Dec-24, Run Dottie Run |
| Joanna Methven | Moree 31-Aug-25, Better Tomorrow |
| Joanna Offen | Ascot 10-May-25, I Am Spartacus |
| Joanne Arneill | Benalla 28-Oct-24, Fox D'or |
| Joanne Forrest | Kalgoorlie 29-Jun-25, Admiration Bay |
| Joanne Hardy | Coffs Harbour 11-Dec-21, Legerdemain |
| Joanne Hillis | Wingatui 01-Jun-25, Vanderdonk |
| Joanne Mugavin | Murtoa 04-Oct-25, Tundra |
| Joanne Murphy | Hexham 12-May-24, Dressedtoimpress |
| Joanne Roylands | Waverley 25-Jul-25, Veneno |
| Joanne Shankle | Laurel Park 20-Oct-25, Hazelmoor Beach |
| Joanne Surgenor | Arawa Park 12-Oct-25, Whiskey 'N Roses |
| Joanne Thomason-Murphy | Worcester 21-Aug-25, Hannahs Story |
| Joao Castillo | Club Hipico Santiago 20-May-25, Alto Forever |
| Joao L L | Hipodromo Chile 01-Dec-24, Morchella |
| Joao M Campeao | Townsville 05-Oct-25, Rich Again |
| Joaquin Garza | Lone Star 12-Jul-25, Paintbrush |
| Joaquin Lopez | Remington Park 29-May-25, Jessta Famous Hero |
| Joaquin Rodriguez | San Isidro 16-Nov-23, Que Vida Global |
| Joaquin Wessolowski | Palermo 29-Jul-24, Demorado Casi |
| Jodee Bird | Albury 14-Mar-15, Del Sienna |
| Jodi Snell | Launceston 12-Feb-14, March Hope |
| Jodie Bohr | Wagga 17-Feb-23, Let There Be Peace |
| Jodie Liakousis | Geraldton 01-Oct-25, Maidmy Way |
| Jody Caison | Charles Town 20-Jun-25, El De Chirel |
| Jody Lancaster | Wetherby 01-Feb-25, Wild Romance |
| Jody McLaughlin | Newman 23-Aug-25, Captain Rogers |
| Jody Pruitt | Remington Park 17-Oct-25, Sargent Ray |
| Jody Ridge | Cessnock 16-Aug-10, I'm Boss |
| Jody Thompson | Echuca 20-Oct-25, Brookers Turbo |
| Joe Byrne | Bunbury 15-Nov-17, Cossack King |
| Joe Castillo | Turf Paradise 31-Dec-24, Kool N Ez |
| Joe Chapa | Lone Star Park 19-Oct-25, Tempting For Cash |
| Joe Chavez | Sunland Park 25-Mar-24, Go Desi Go |
| Joe Cleary | Queanbeyan 12-Oct-25, First Class Baby |
| Joe Conlon | Cork 12-Sep-24, Peaceful Dove |
| Joe Davis | Turf Paradise 14-Jan-25, Devon For Nan |
| Joe Duhon | Fair Grounds 24-Mar-25, Benoit |
| Joe Gleeson | Eagle Farm 18-Oct-25, Mr Worthington |
| Joe Halpin | Roma 16-Aug-25, Package |
| Joe Herrick | Santa Anita 18-Oct-25, Princess Midnight |
| Joe Honesto | |
| Joe Janiak | Coffs Harbour 06-Aug-15, Summer Evening |
| Joe Kelly | Swan Hill 29-Jul-25, Vancouver Khan |
| Joe Lejzerowicz | Horseshoe Indianapolis 07-Oct-25, Poverty With Aview |
| Joe Lockyer | Morphettville Parks 10-Jan-15, Albany Grey |
| Joe McKellar | Oaklawn Park 03-May-25, Music Mistress |
| Joe McSorley | Kentucky Downs 08-Sep-25, Spy |
| Joe Miller | York 07-Mar-22, Prairie Angel |
| Joe Offolter | Lone Star 12-May-25, Andrea Diane |
| Joe Ortega | Turf Paradise 26-Jan-25, Heavenly Violet |
| Joe Pizzurro | Presque Isle Downs 04-Sep-25, Sip'n' Speed |
| Joe Ponting | Wolverhampton 21-Oct-25, Endofastorm |
| Joe Roberts | Canterbury Park 25-Jul-25, Teardrop Tiara |
| Joe Russo | Townsville 05-Dec-24, Fivelineditty |
| Joe Sharp | Keeneland 20-Oct-25, Starlit Nite |
| Joe Toye | Emerald Downs 08-Sep-25, Coastal Girl |
| Joe Willis | Gunnedah 06-Dec-14, Bis Kho Cho |
| Joe Wright | Stratford 31-May-25, Slaney Opera |
| Joedy Whitaker | Aquis Park Gold Coast Poly 13-Sep-25, Princess Shanghai |
| Joel Berndt | Hawthorne 20-Oct-25, Kind Kismet |
| Joel Boisnard | Compiegne 20-Oct-25, King Of Eylau |
| Joel Campbell | Keeneland 18-Oct-25, Vino Couragio |
| Joel Cantu | Sam Houston Race Park 30-Apr-23, Hes No Average Bear |
| Joel Delacruz | Horseshoe Indianapolis 02-Jul-25, Forever Pink |
| Joel Flannery | Sportsbet-Ballarat 26-Oct-23, Googly |
| Joel Gonzales | Sunland Park 10-Mar-25, Kama Patriot |
| Joel Gutierrez | Turf Paradise 04-Mar-25, Stuntin Like Daddy |
| Joel Maldonado | Charles Town 16-Aug-24, Under The Overpass |
| Joel Marr | Lone Star 30-Jun-25, Moonlight Warrior |
| Joel Pengilly | Grafton 21-Jul-24, Butch'n'bugs |
| Joel R D Duarte | Palermo 12-Nov-23, Humor Jaspeado |
| Joel R Duarte | Palermo 27-Jun-23, Kity Girl |
| Joel Santiago | Gulfstream 21-Sep-25, Takecareofbusiness |
| Joel Wilkes | Muswellbrook 20-Oct-25, Bridego |
| Joel Zawitz | Fairmount Park 22-Sep-24, Briana Harper |
| Joey Soma | Vaal 14-Oct-25, Royal Mazarin |
| Johan J Vuuren | Turffontein 16-Oct-25, Aquarius |
| Johanna Urieta | Mahoning Valley 22-Oct-25, Dew It With Class |
| John (MJ) O'Connor | Mount Gambier 08-Aug-25, Womanizer |
| John A O'Connor | Murray Bridge 10-Jan-18, Bold Zamour |
| John A P Smith | Lismore 07-May-16, Summer Forever |
| John Allred | Turf Paradise 20-Apr-25, Jess Go West |
| John Askevold | Albany 27-Apr-17, Olaf |
| John B Scott | Bowraville 24-Sep-16, Rodeo Hotshot |
| John Bannister | Muswellbrook 20-Oct-25, Our Emily |
| John Barr | Townsville 20-Dec-22, Roc De Khaper |
| John Bary | Taupo 10-Oct-25, Anushka Shesastar |