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