| Equid | Horse Name ▲ | Breed | Age | Gender | Color | Discipline | Owner |
|---|---|---|---|---|---|---|---|
| 051815C | Marie Claire | Belgian Warmblood | SY15 (13yo) | Mare | Grey | EV | Morrigan |
| 520926C | Mariem | Arabian | SY26 (2yo) | Mare | Bay | AR | Morrigan |
| 370420C | Marike | Friesian | SY20 (8yo) | Mare | Black | DG | Soleil |
| 028917B | Marionette | Haflinger | SY17 (11yo) | Mare | Chestnut | HU | Lissa |
| 512922B | Markus KA | Oldenburg | SY22 (6yo) | Stallion | Buckskin | JP | Soleil |
| 308224B | Marvel SW | Danish Warmblood | SY24 (4yo) | Mare | Bay | JP | Morrigan |
| 170313C | Marvelous | British Warmblood | SY13 (15yo) | Stallion | Perlino Tobiano | EV | Lissa |
| 078317B | Mary | Friesian | SY17 (11yo) | Mare | Black | DV | Lissa |
| 408122B | MaryLou Varta M | Hanoverian | SY22 (6yo) | Mare | Chestnut | EV | Manders |
| 088913S | Mastermind | Arabian Pony | SY13 (15yo) | Gelding | Grey | HU | Morrigan |
| 144418C | Masterpiece | Swedish Warmblood | SY18 (10yo) | Mare | Grey | CC | Lorelei |
| 364013C | Mate Amargo | Criollo | SY13 (15yo) | Stallion | Buckskin | WW | Jewel |
| 154611C | Matoaka | Appaloosa | SY11 (17yo) | Mare | Bay Blanket | EN | Manders |
| 007218C | Matrim | Irish Sport Horse | SY18 (10yo) | Stallion | Black Tobiano | EV | Morrigan |
| 342521B | Mausekoenig Blue | Brandenburger | SY21 (7yo) | Stallion | Bay | JP | Merry |
| 073621S | Maverick | German Riding Pony | SY21 (7yo) | Stallion | Grey | DG | Manders |
| 491616C | Maxamillian | American Mustang | SY16 (12yo) | Stallion | Black | EN | Rhianon |
| 267322B | Maximum Problems | Thoroughbred | SY22 (6yo) | Mare | Buckskin Sabino Overo | FR | Lissa |
| 321218C | Maxine Dun Freckles | Quarter Horse | SY18 (10yo) | Mare | Palomino | WR | Manders |
| 217322B | May Day | Quarter Horse | SY22 (6yo) | Mare | Bay | SR | Izabella |
| 489127B | May Death Never Stop You | Thoroughbred | SY27 (1yo) | Mare | Bay | FR | Morrigan |
| 330521B | May Queen | Thoroughbred | SY21 (7yo) | Mare | Black | EV | Morrigan |
| 263124B | Maybe I Like Lettering CR | Appaloosa | SY24 (4yo) | Mare | Grulla Near Leopard | SR | Morrigan |
| 362922B | Maybe It's Neighbelline | Irish Cob | SY22 (6yo) | Mare | Silver Black | DV | Soleil |
| 153718C | Mayday | Danish Warmblood | SY18 (10yo) | Mare | Grey | CC | Manders |
