| Xassarina | Palermo,
26-Jun-23 |
| Xat | Clairefontaine,
27-Aug-25 |
| Xatel Ekwa | Canterbury Park,
29-Apr-15 |
| Xaustdwithpleasure | Dundalk,
09-Mar-24 |
| Xavey Dave | Canterbury Park,
13-Jul-25 |
| Xavi | Flemington,
01-Mar-14 |
| Xavi | Hawthorne,
03-Oct-25 |
| Xavie Boy | bet365 Geelong,
11-Aug-23 |
| Xavier | Donald,
14-Sep-24 |
| Xaviera | Chelmsford City,
12-May-23 |
| Xaxello | Geraldton,
07-Jan-16 |
| Xcaret | Ohi,
20-Oct-25 |
| Xcaret | Fair Grounds,
21-Feb-25 |
| Xcavate | Roebourne,
15-Jul-23 |
| Xcavator | Warrnambool,
25-Jun-17 |
| Xcellent Men | Monmouth Park,
19-Aug-24 |
| Xcellent Start | Charles Town,
12-Oct-25 |
| Xcellently Timed | Mountaineer,
26-Jun-23 |
| Xception | Auteuil,
17-May-25 |
| Xceptional Fella | Canberra,
04-Nov-25 |
| Xcessive Force | Randwick,
23-Aug-25 |
| Xcessive Gamble | Geelong,
23-Mar-25 |
| Xchanger | Punchestown,
15-Jan-23 |
| Xcitations | Sandown,
09-Mar-25 |
| Xcited | Warwick Farm,
01-Apr-24 |
| Xclusif | Nantes,
23-Apr-23 |
| Xebec | Sapporo,
17-Aug-25 |
| Xebec | Gawler,
25-Oct-19 |
| Xeiby | Mudgee,
12-May-24 |
| Xelcimus | Northam,
30-Oct-25 |
| Xena | Oaklawn Park,
02-Feb-25 |
| Xena's Reward | Donald,
10-Jul-23 |
| Xenatown | Philadelphia Park,
04-Jul-23 |
| Xenia Onatopp | Deauville,
07-Jan-23 |
| Xenolith | Coleraine,
27-Sep-24 |
| Xenon | Gulfstream,
13-Jun-25 |
| Xenophon | Vaal,
31-Jul-25 |
| Xenophon | Sapporo,
18-Aug-24 |
| Xenotes | Valparaiso Sporting Club,
28-Nov-24 |
| Xenses | Valparaiso Sporting Club,
09-Nov-23 |
| Xentaro | Belmont,
13-Sep-25 |
| Xera Wonder Woman | Port Augusta,
19-Jun-11 |
| Xerces | Presque Isle Downs,
02-Oct-25 |
| Xerling | Dundalk,
11-Oct-25 |
| Xerox | Mont De Marsan,
20-Jul-24 |
| Xerri | Eagle Farm,
18-Oct-25 |
| XERXES | Echuca,
24-Aug-09 |
| Xerxes | Muswellbrook,
04-Nov-25 |
| Xerxes | Mahoning Valley,
10-Jan-24 |
| Xhilaratingpurpose | Mountaineer,
08-Sep-25 |
| Xhosa | Ascot,
06-Jan-16 |
| XI HYA | Kilmore,
14-May-10 |
| Xiamen | Phar Lap Raceway,
06-Oct-23 |
| Xian | Traralgon,
04-Aug-12 |
| Xian's Pride | Benalla,
21-Dec-19 |
| Xianggang Luck | Cidade Jardim,
09-Sep-23 |
| Xiao Laoban | Saga,
06-Oct-24 |
| Xiao Long | Colonial Downs,
14-Aug-25 |
| Xiao Long Bao | TRIAL Rockhampton,
06-Nov-23 |
| Xiao Xing Yun | Chukyo,
23-Aug-25 |