| Name | Country | Region | Address |
|---|---|---|---|
| Rotova Anastasiya Petrovna | Russia | ||
| Rotova Katarina Yevgyenyevna | Russia | ||
| Roxanne Martin Stable Inc. | USA | ||
| Roxanne Martin Stable Inc. & Anzac LLC | USA | ||
| Royal Stable | Bahrain | ||
| Rozanov A. RF | Russia | Moscow | |
| Rozanova Anna Anatolyevna | Russia | Sverdlovsk region | |
| Rozenfeld Tatyana Vladimirovna | Russia | ||
| Rozhdestvenskaya E.M., Suprun K.V. | Russia | Moscow | |
| Rozhdestvenskaya Ekaterina Dmitrievna | Russia | Tyumen region |