| Equid | Horse Name ▲ | Breed | Age | Gender | Color | Discipline | Owner |
|---|---|---|---|---|---|---|---|
| 071715S | Janschwalde | Brandenburger | SY15 (12yo) | Mare | Chestnut | EV | Manders |
| 462724B | Jantelovan M | Baroque Knabstrupper | SY24 (3yo) | Mare | Bay Fewspot | DG | Merry |
| 163819B | Janvier Blue | Selle Francais | SY19 (8yo) | Mare | Grey | EV | Merry |
| 450519C | Jay's Playful Bambi | Quarter Horse | SY19 (8yo) | Mare | Buckskin | WW | Jewel |
| 009616C | Jazmin | Criollo | SY16 (11yo) | Mare | Blue Roan | WW | Jewel |
| 376722C | Jazzercize | Friesian | SY22 (5yo) | Mare | Black | SS | Lissa |
| 017119B | Jazzman | Dutch Warmblood | SY19 (8yo) | Stallion | Black | DG | Dani |
| 343221B | Jazzy M | Czech Warmblood | SY21 (6yo) | Mare | Black | EV | Merry |
| 035818B | Jefa Rosa | Azteca | SY18 (9yo) | Mare | Palomino | WE | Rhianon |
| 376317C | Jefferson | Friesian | SY17 (10yo) | Stallion | Black | SS | Lissa |
| 124813C | Jelly Roll | Knabstrupper | SY13 (14yo) | Stallion | Red Roan Leopard | CC | Jen |
| 185912C | Jellybean Juice | Shetland Pony | SY12 (15yo) | Stallion | Grey | PR | Lissa |
| 369517C | Jemal | Marwari | SY17 (10yo) | Mare | Black | TC | Rhianon |
| 506021B | Jemla | Anglo Arabian | SY21 (6yo) | Mare | Chestnut | EN | Morrigan |
| 054018C | Jemmicoe | Anglo Arabian | SY18 (9yo) | Stallion | Grey Sabino | EV | Morrigan |
| 442424B | Jeopardy Run | Appaloosa | SY24 (3yo) | Mare | Blue Roan Blanket | SR | Lissa |
| 352823C | Jess What | Quarter Horse | SY23 (4yo) | Mare | Buckskin | WS | Morrigan |
| 119114C | Jesse Stone | Shire | SY14 (13yo) | Stallion | Bay | DV | Manders |
| 290311C | Jet Black Classic | Quarter Horse | SY11 (16yo) | Gelding | Black | WR | Jewel |
| 074421S | Jet Stream | Welsh Mountain Pony | SY22 (5yo) | Stallion | Palomino | JP | Lissa |
| 320917C | Jets Klassic Jazz | Quarter Horse | SY17 (10yo) | Mare | Chestnut | WR | Manders |
| 163919B | Jeu D'Argent Blue | Selle Francais | SY19 (8yo) | Mare | Chestnut | EV | Merry |
| 131419B | Jeunot Skye | Selle Francais | SY19 (8yo) | Stallion | Bay | JP | Rhianon |
| 250820B | Jezebel | Thoroughbred | SY20 (7yo) | Mare | Black | EV | Merry |
| 063616B | Jiffy Mix | Shetland Pony | SY16 (11yo) | Mare | Mushroom Chestnut Tobiano | HU | Merry |
