| John Langemeier | Horseshoe Indianapolis 08-Nov-24, Secret Savior |
| John Latham | Ascot 25-Apr-23, Thewayiwalk |
| John Law | Moruya 18-Jan-16, Four Fortyfour |
| John Leblanc | Fair Grounds 17-Dec-23, Caeus In Pasadena |
| John Leek Jnr | Pakenham 17-Oct-25, The Englishman |
| John Leeson | Monmouth Park 13-Aug-23, Winsor Manor |
| John Lewis | Horseshoe Indianapolis 04-Sep-24, Taters Real Secret |
| John Lillie | Sportsbet-Ballarat Synthetic 27-May-19, Youl Be Good |
| John Lugg | Kalgoorlie 02-Oct-25, Fifty Words |
| John Lundholm | Narromine 12-Dec-11, Mistress Murphy |
| John Luttrell | Launceston 17-Oct-25, Esprit Diva |
| John M Fitzgerald | Toowoomba 20-May-23, La Swish |
| John M Fleming | Gold Coast 05-Nov-11, Scherzinger |
| John M Harney | Leopardstown 19-Oct-25, Mr Rango |
| John Macmillan | Morphettville 18-Oct-25, Mine All Mine |
| John Malik | Aquis Beaudesert 25-Apr-23, Better Mint |
| John Manzelmann | Mackay 12-Sep-25, Picnic Blanket |
| John Markovic | Ballarat Synthetic 27-Jul-25, Leica Bella |
| John Marzol | Wagga 17-Mar-22, Child Of Mine |
| John Mason | Kalgoorlie 20-Oct-24, Master Platinum |
| John Mattine | Woodbine 17-May-25, Scary Boo |
| John McArdle | Echuca 20-Oct-25, Macha |
| John McArthur | Terang 28-Feb-25, Emrys |
| John McCaslin | Penn National 26-Oct-24, Sharp Sensation |
| John McGregor | Kerang 26-Dec-10, Aussietilla |
| John Mcguckin | Bunbury 01-Jan-19, Count Jinsky |
| John McKee | Charles Town 05-Jan-23, My Phoenix |
| John Mckinnon | Nyngan 27-Jun-15, Pride Of Gold |
| John McLachlan | Grafton 06-Jun-20, Bannockburn Gal |
| John McMahon | Warwick 26-Dec-22, Peppimenarti |
| John McNair | Muswellbrook 14-Jan-16, Sleek Eagle |
| John Meagher | Doomben 22-Jul-17, Cruising Speed |
| John Moloney | Echuca 20-Oct-25, Raison D'rose |
| John Moore | Ipswich 15-Dec-21, So Clever |
| John Morell | Ruakaka 17-Aug-24, Anna Tait |
| John Morrisey | Ipswich 24-May-17, Maldita |
| John Morrison | Hastings Racecourse 05-Aug-24, Bold Arch |
| John Mott | Aquis Park Gold Coast Poly 01-Jul-23, Bailey Boo |
| John Muckey | Fonner Park 03-May-25, Escalabaugah |
| John Ney | Fair Grounds 15-Mar-25, Lost My Bag |
| John Nisbet | Goulburn 24-Aug-25, Taytay Bay |
| John Nugent | Warrnambool 14-Jun-11, GREY ARCHIE |
| John O'Donoghue | Roscommon 14-Oct-25, Royal Belief |
| John O'Hara | Singapore 22-Sep-19, Whoomph |
| John O'Loughlin | Morphettville Parks 18-Mar-23, Breeze Bender |
| John O'Shea | Canterbury Park 28-May-25, Maximum Dividend |
| John O'Sing | Rockhampton 18-Oct-25, Cash Pit |
| John Ortiz | Colonial Downs 14-Sep-25, Winfinity |
| John P P | Hipodromo Chile 11-May-25, God Is Love |
| John Parker | Bunbury 01-Jan-19, Black Dice |
| John Pascoe | Sale 08-Oct-25, Blistering |
| John Peacock | Alice Springs 14-Sep-25, Super Famous |
| John Pearson | Swan Hill 07-Jun-25, Minesite |
| John Peiti | Sapphire Coast 07-Jun-20, Bryan Roy |
| John Petersen | Innisfail 30-Aug-25, Bright Daisy |
| John Phelan | Gatton 12-Nov-23, Shamuson |
| John Phillips | Riccarton Park 09-Aug-25, Midnight Runner |
| John Pimental | Monmouth Park 18-Jun-23, Bikini Baby |
| John Pinochet | Club Hipico Santiago 20-May-25, Alonsito Spider |
| John Pointon | Rockhampton 05-May-20, Blue Instinct |
| John Poots | Rockhampton 09-Oct-25, Snazzy Snitzel |
| John Popescu | Bunbury 05-Jun-25, Declared Innocent |
| John Prather | Oaklawn Park 26-Apr-25, Air Castle |
| John Price | Seymour 11-Sep-25, Bark |
| John Quiles | |
| John Quinn | Sha Tin 10-Dec-23, Highfield Princess |
| John R Allen | Moe 19-Oct-25, Shot At The Night |
| John R Patterson | Barcaldine 07-Jul-25, Rusheen |
| John Rattle | Bairnsdale 12-Oct-25, French Crossing |
| John Reynolds | Leinster 18-Oct-25, Money For Old Rope |
| John Rigattieri | Tampa Bay Downs 08-Dec-24, Boston Tweet |
| John Robb | Laurel Park 15-Sep-25, Anotherhope |
| John Robbins | Townsville 30-Apr-13, Crooked Mary |
| John Rolfe | Bathurst 17-Oct-25, I Am Mamwaazel |
| John Rooney | Wodonga 18-Oct-25, Monaghan's Boy |
| John Ross | Woodbine 19-May-25, Its Time To Shine |
| John Rowan | Cairns 25-Jul-15, Glaurung |
| John Rowe | Horsham 19-Oct-25, Best Fit |
| John Sadler | Pakenham 17-Oct-25, Duntulm Lass |
| John Salanitri | Murray Bdge 11-Oct-25, In Her Stride |
| John Salzman | Laurel Park 04-Nov-24, Street Tough |
| John Sargent | Randwick 18-Oct-25, Asgarda |
| John Schultz | Horseshoe Indianapolis 22-May-25, No Proof |
| John Servis | Monmouth Park 18-Aug-25, Mischief Maxey |
| John Sgavicchio | Delaware Park 20-Jul-25, Magic Hooh |
| John Sharah | Nowra 19-Oct-25, Unnatural Power |
| John Shelton | Lismore 19-Oct-25, Highwire Girl |
| John Shuler | Mountaineer 07-May-25, Castle Review |
| John Simms | Woodbine 27-Apr-25, Creativperformance |
| John Size | Sha Tin 19-Oct-25, Brilliant Express |
| John Slater | Warrnambool 28-Mar-25, Here's To Jane |
| John Smerdon | Gold Coast 11-Oct-25, Tamieka Warrior |
| John Snow | Hastings Racecourse 30-Sep-24, Texas Legacy |
| John Sprague | Port Macquarie 10-Oct-25, Foxy Prague |
| 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 | Randwick 04-Oct-25, Dr Evil |