| Name | Sex | Colour | Registration | Foaling Date | Reg Status | Competition Status |
|---|---|---|---|---|---|---|
| SEMINOLE WIND | Mare | BLACK | 121136 | 14/10/1993 | Stud Book | Not Eligible |
| SEMIPALATINSK | Stallion | BAY | BP-78808 | 06/02/1978 | Breeding Purposes Only - Stud Book | Not Eligible |
| SEMLOH AUSSIE - HSH | Gelding | BROWN | 192071 | 26/01/2010 | Stud Book | Eligible |
| SEMLOH BANDETTE | Mare | BROWN | 160490 | 27/10/1995 | Stud Book | Eligible |
| SEMLOH BRIGALOW - HSH | Stallion | BROWN | 163998 | 08/11/2006 | Stud Book | Not Eligible |
| SEMLOH CASH ONLY - HSH | Gelding | BROWN | 230889 | 15/11/2012 | Stud Book | Deceased |
| SEMLOH DELTA - HSH | Mare | BROWN | 160491 | 22/10/1999 | Stud Book | Deceased |
| SEMLOH DJ - HSH | Gelding | BAY | 162910 | 13/12/2002 | Stud Book | Not Eligible |
| SEMLOH HANDYMAN - HSH | Stallion | BAY | 160487 | 28/09/1987 | Stud Book | Deceased |
| SEMLOH JANELLE | Mare | BROWN | 160489 | 28/10/1999 | Stud Book | Eligible |
| SEMLOH MORNING GIRL - HSH | Mare | BROWN | 160488 | 04/10/1996 | Stud Book | Deceased |
| SEMLOH NICOLE - HSH | Mare | CHESTNUT | 189055 | 17/12/2008 | Stud Book | Deceased |
| SEMLOH REALM OF HEARTS - HSH | Mare | BAY | 230890 | 17/11/2012 | Stud Book | Deceased |
| SEMLOH REMEMBERANCE - HSH | Mare | BROWN/BLACK | 192916 | 11/11/2009 | Stud Book | Eligible |
| SEMLOH ROBYN - HSH | Mare | BROWN | 160486 | 08/11/1980 | Stud Book | Deceased |
| SEMLOH SHEZA BELLE | Mare | BAY | 170802 | 25/10/2004 | Stud Book | Eligible |
| SEMLOH WALLABY - HSH | Gelding | BROWN | 189056 | 17/11/2007 | Stud Book | Not Eligible |
| SEMLOH ZEB | Gelding | DUN | 177448 | 05/10/2000 | Stud Book | Deceased |
| SEMPLES BRAE LADY | Mare | BAY | 30872 | Stud Book | Not Eligible | |
| SEMPLES CYNTHIA | Mare | CHESTNUT | 18567 | Stud Book | Deceased | |
| SEMPLES FLICKA | Mare | CHESTNUT | 18566 | Stud Book | Deceased | |
| SEMPLES KEMPSEY GIRL | Mare | CHESTNUT | 30871 | 01/01/1972 | Stud Book | Deceased |
| SEMPLES MALT LADY | Mare | CHESTNUT | 18565 | Stud Book | Deceased | |
| SEMPLES STARGAZER | Mare | CHESTNUT | 30869 | 01/01/1973 | Stud Book | Not Eligible |
| SENATE CAMARRIE | Mare | CHESTNUT | 55570 | Stud Book | Not Eligible | |
| SENATE CELCIUS - HSH | Gelding | CHESTNUT/ROAN | 64114 | 03/04/1980 | Stud Book | Not Eligible |
| SENATE CHANG | Stallion | BROWN | 55567 | Stud Book | Not Eligible | |
| SENATE GOLDY | Mare | CHESTNUT | 55572 | 01/11/1971 | Stud Book | Deceased |
| SENATE GOLDYS GIRL | Mare | CHESTNUT | 55571 | 01/10/1970 | Stud Book | Deceased |
| SENATE GYPSY | Mare | BAY | 64115 | 05/06/1978 | Stud Book | Not Eligible |
| SENATE JOSEPHINE | Mare | GREY | 55566 | 01/10/1978 | Stud Book | Not Eligible |
| SENATE MISS CHAN | Mare | GREY | 55569 | 01/12/1977 | Stud Book | Not Eligible |
| SENATE SILVER BELLE | Mare | CHESTNUT | 55568 | 01/09/1968 | Stud Book | Deceased |
| SENATOR | Gelding | BAY | 10054 | Stud Book | Deceased | |
| SENGEN | Mare | CHESTNUT | 4084 | Stud Book | Deceased | |
| SENITA | Mare | CHESTNUT | F12888 | 01/10/1977 | Foal Recorded | Not Eligible |
| SENNA - HSH | Mare | BAY | C2-237960 | 06/10/2009 | Second Cross | Not Eligible |
| SENNAR CINNCINATTI PRINCESS | Mare | BAY | 58784 | 01/09/1972 | Stud Book | Not Eligible |
| SENORA | Mare | CHESTNUT | 37685 | 09/11/1974 | Stud Book | Not Eligible |
| SENORA TODROWAL | Gelding | CHESTNUT | 53855 | 06/01/1971 | Stud Book | Deceased |
| SENORITA | Mare | BAY | C1-248695 | 05/10/2004 | First Cross | Not Eligible |
| SENORITA BONITA | Mare | BAY | 9232 | Stud Book | Deceased | |
| SENORITA CINDY | Mare | GREY | 7660 | 17/12/1971 | Stud Book | Deceased |
| SENORITA CONCHITA | Mare | BAY | 13548 | Stud Book | Deceased | |
| SENORITA CONROY | Mare | CHESTNUT | R-270884 | 23/12/2022 | Base Registry | Not Eligible |
| SENORITA OAK | Mare | CHESTNUT/ROAN | 148027 | 15/11/1994 | Stud Book | Not Eligible |
| SENORITAS CARBON COPY | Mare | BAY | C2-231557 | 27/09/2011 | Second Cross | Not Eligible |
| SENORITAS MELODY | Mare | CHESTNUT | C2-241604 | 18/09/2014 | Second Cross | Not Eligible |
| SENORS LENA DOC | Stallion | CHESTNUT | C1-143650 | 31/10/1990 | First Cross | Not Eligible |
| SENROC BARTOK - HSH | Gelding | DUN | 174653 | 17/04/2003 | Stud Book | Deceased |
| SENROC ELLIE | Mare | CHESTNUT | 174651 | 18/12/2005 | Stud Book | Not Eligible |
| SENROC ELLIOT | Gelding | BAY | 174652 | 14/03/2006 | Stud Book | Not Eligible |
| SENROC EXPRESSO - HSH | Gelding | CHESTNUT | 174650 | 23/11/2005 | Stud Book | Not Eligible |
| SENROC FANMYSTIC | Gelding | CHESTNUT | 174654 | 06/11/2006 | Stud Book | Not Eligible |
| SENROC GIDGEE | Mare | CHESTNUT | 169872 | 06/11/2007 | Stud Book | Not Eligible |
| SENROC GIFT | Mare | BAY | 169873 | 15/11/2007 | Stud Book | Not Eligible |
| SENSAI | Gelding | BLACK | 172321 | 13/11/2004 | Stud Book | Not Eligible |
| SENSATION | Gelding | GREY | 46752 | 01/11/1974 | Stud Book | Not Eligible |
| SENSATIONAL MORN | Gelding | CHESTNUT | C1-250106 | 25/09/1990 | First Cross | Not Eligible |
| SENSATIONAL SPECTRA - HSH | Mare | BAY/TAFFY | C2-240549 | 15/09/2015 | Second Cross | Eligible |
| SENSIBLE | Mare | BAY | B2-196709 | 11/10/2000 | Breeding Purposes Only - Second Cross | Not Eligible |
| SENSURAE | Mare | BAY | 69223 | 16/10/1978 | Stud Book | Deceased |
| SENTIMENTAL | Mare | BROWN | 139885 | 31/01/1999 | Stud Book | Deceased |
| SENTIMENTAL DOVE | Mare | GREY | C1-199601 | 23/10/2004 | First Cross | Eligible |
| SENTIMENTAL GREY BLOKE | Gelding | GREY | 131775 | 21/08/1997 | Stud Book | Not Eligible |
| SENTINEL EIGHTEEN CARAT - HSH | Mare | BUCKSKIN | 233695 | 02/08/2013 | Stud Book | Not Eligible |
| SENTINEL LEGALLY BLONDE | Mare | PALOMINO | 239655 | 22/09/2014 | Stud Book | Not Eligible |
| SENTINEL SOLDIER | Gelding | PALOMINO | 233696 | 10/08/2013 | Stud Book | Not Eligible |
| SENTINEL SUPERNOVA | Mare | BLACK | 230219 | 07/12/2010 | Stud Book | Not Eligible |
| SENTOSA DIMANA | Mare | CHESTNUT | 74536 | 29/10/1978 | Stud Book | Not Eligible |
| SENTOSA ESPRIT | Mare | CHESTNUT | 66610 | 23/12/1979 | Stud Book | Not Eligible |
| SENTOSA EUGENIA | Mare | PALOMINO | 64269 | 18/10/1979 | Stud Book | Not Eligible |
| SENTOSA FIESTA | Mare | CHESTNUT | 66594 | 18/11/1980 | Stud Book | Not Eligible |
| SENTOSA HARRIET | Mare | CHESTNUT | 75074 | 24/09/1982 | Stud Book | Not Eligible |
| SENTOSAS REVENGE | Gelding | BAY | 159551 | 24/10/1997 | Stud Book | Not Eligible |
| SENTRY | Stallion | CHESTNUT | F14944 | 25/09/1978 | Foal Recorded | Not Eligible |
| SENYOUR | Stallion | BAY | 41828 | 01/11/1975 | Stud Book | Not Eligible |
| SEOKOO | Gelding | GREY | 63740 | 22/06/1975 | Stud Book | Not Eligible |
| SEONIE COURT JESTER | Gelding | CHESTNUT | C1-130561 | 26/10/1990 | First Cross | Not Eligible |
| SEPMOR MANDY PANDY | Mare | BROWN/BLACK | 192823 | 07/09/2004 | Stud Book | Not Eligible |
| SEPMOR PAPARAZZI | Mare | CHESTNUT | C1-231538 | 18/10/2010 | First Cross | Eligible |
| SEPMOR WHISKY LULLABY - HSH | Gelding | BROWN | 233180 | 13/08/2011 | Stud Book | Not Eligible |
| SEPOY | Stallion | GREY | 2397 | 03/10/1968 | Stud Book | Deceased |
| SEPPOPARK GOLDEN HONEY | Mare | BROWN | C1-256350 | 26/11/2014 | First Cross | Eligible |
| SEPPOPARK STYLISH MAGIC | Mare | BLACK | 258546 | 15/09/2020 | Stud Book | Eligible |
| SEPPOPARK THE DUKE | Stallion | BAY/BROWN | R-256349 | 04/10/2016 | Base Registry | Deceased |
| SEPTEMBER KATE | Mare | BLACK/GREY | 106136 | 01/09/1987 | Stud Book | Not Eligible |
| SEPTEMBER RAIN | Gelding | CHESTNUT | C1-242699 | 02/09/2015 | First Cross | Not Eligible |
| SEPTIMO | Stallion | GREY | 32064 | 07/09/1971 | Stud Book | Deceased |
| SEPTIMUS BLUEMOUNT ACTRESS | Mare | BAY | 51078 | 02/01/1974 | Stud Book | Not Eligible |
| SEQUEL | Mare | BROWN | 40708 | 01/01/1972 | Stud Book | Deceased |
| SEQUENCE | Mare | BROWN | 23385 | Stud Book | Deceased | |
| SEQUI | Mare | BAY | F6506 | 27/10/1976 | Foal Recorded | Not Eligible |
| SEQUIL | Mare | CHESTNUT | 13323 | Stud Book | Deceased | |
| SEQUIN | Mare | BROWN | C1-264487 | 09/12/2019 | First Cross | Eligible |
| SEQUIN DOLL | Mare | PALOMINO | 67650 | 05/09/1979 | Stud Book | Not Eligible |
| SEQUIN LODGE JAMIES CAUSE | Mare | BLACK | 245896 | 23/09/2016 | Stud Book | Not Eligible |
| SEQUINCE | Mare | BROWN | 15481 | 03/01/1967 | Stud Book | Deceased |
| SEQUOILA | Mare | CHESTNUT | 11511 | 04/08/1973 | Stud Book | Not Eligible |
| SEQUOYAH | Mare | BAY | 247766 | 07/11/2017 | Stud Book | Not Eligible |