- Mersebourg
- Mesange du Rouet (of: Starter – Bel avenir – Rantzau)
- Metellus, Holst (of: Marinus – Ramzes)
- Mexico, SF
- Midas, Holst
- Mieze
- Miss Carmen (of: Fra Diavolo)
- Miss des Cresles
- Mokista
- Moltke I (of: Maximus)
- Mon Cherie
- Monarch
- Monoline (of: Roman – Marabu II)
- Monta Bella (of: Montaval)
- Montanus (of: Moltke I – Colt)
- Montaval
- Moorlands Totilas, KWPN (of: Gribaldi – Glendale)
- More Magic
- Mosaik, Hann (of: More Magic)
- Mozart des Hayettes (of: Papillon Rouge – Nimmerdor – Almé)
