| Name | Sex | Colour | Registration | Foaling Date | Reg Status | Competition Status |
|---|---|---|---|---|---|---|
| ZORROLEA - HSH | Mare | GREY | 173241 | 18/11/1996 | Stud Book | Not Eligible |
| ZORROS COLETTE | Mare | BAY | C2-241392 | 29/10/2004 | Second Cross | Not Eligible |
| ZORROS JULIET | Mare | BROWN | C2-168350 | 10/02/2002 | Second Cross | Not Eligible |
| ZOSTEROPS | Mare | BROWN | 7263 | Stud Book | Deceased | |
| ZOT | Stallion | CHESTNUT | 2255 | 01/01/1968 | Stud Book | Deceased |
| ZOWIE | Mare | DUN | 76131 | 01/11/1978 | Stud Book | Not Eligible |
| ZOY | Mare | CHESTNUT | 5139 | Stud Book | Deceased | |
| ZOZINAS PRINCESS | Mare | BROWN | 38550 | 12/11/1975 | Stud Book | Not Eligible |
| ZSAROS ROYAL OPAL | Gelding | BROWN | C1-236579 | 09/12/2013 | First Cross | Not Eligible |
| ZUBBEDIYA | Mare | GREY | 9673 | 10/11/1971 | Stud Book | Deceased |
| ZUES | Gelding | BAY | 70496 | 01/01/1978 | Stud Book | Not Eligible |
| ZUFIRA | Mare | CHESTNUT | B2-236194 | 02/11/2008 | Breeding Purposes Only - Second Cross | Not Eligible |
| ZULA | Mare | BAY | 35213 | 01/01/1970 | Stud Book | Deceased |
| ZULIEKA III - HSH | Mare | GREY | 42357 | Stud Book | Not Eligible | |
| ZULO | Mare | GREY | 51315 | 10/03/1973 | Stud Book | Not Eligible |
| ZULU | Mare | BROWN/BLACK | C1-185036 | 02/02/2000 | First Cross | Not Eligible |
| ZULU MOON | Mare | BLACK | 81203 | 01/08/1989 | Stud Book | Not Eligible |
| ZUNI GLENHAVEN LADY | Mare | BLACK/GREY | 50472 | Stud Book | Not Eligible | |
| ZUZIE CARESS | Mare | BROWN | 14165 | 10/10/1966 | Stud Book | Deceased |
| ZWASM SHARNE | Mare | BROWN | 69858 | 08/11/1982 | Stud Book | Deceased |
| ZWASUM ANNABELLE | Mare | CHESTNUT | 52441 | 29/11/1978 | Stud Book | Not Eligible |
| ZWASUM RIVOLI BLACKJACK - HSH | Stallion | BLACK | 71850 | 04/11/1982 | Stud Book | Deceased |
| ZWASUM VALLEY MONARCH | Gelding | BAY | 61609 | 20/11/1974 | Stud Book | Not Eligible |