- Kollet (of: Roman)
- Komet 4, Holst (of: Korenbleem)
- Korenbleem, xx
- Koridon
- Koriena van de Halhoeve (of: Westworld)
- Kornelia, Hann
- Kostolany, Trak (of: Enrico Caruso)
- Krack C, KWPN (of: Flemmingh)
- Kreta
- Krista (of: Polydor)
- Kurielle (of: Uriel – Ibrahim)
- L'Arc de Triomphe (of: Landor S – Pilot – Goya)
- L'Avenir
- L-Cordula, Holst (of: Cor de la Bryére – Colt – Farnese)
- La Bruyère
- La Citadelle, SF (of: Jus de Pomme – Ultimate)
- La Cour d'Auzey (of: Double Espoir – Star)
- La Toya, Holst (of: Lord – Wildfeuer – Marlon)
- Lacq (of: Roman – Ladykiller)
- Lady Legend, Holst (of: Liguster – Löwenjäger)
