| Name | Sex | Colour | Registration | Foaling Date | Reg Status | Competition Status |
|---|---|---|---|---|---|---|
| DOUGHBOY TORONTO | Gelding | DUN | 64419 | 20/09/1977 | Stud Book | Not Eligible |
| DOUGHBOY TRINITY | Gelding | TAFFY | 73211 | 09/09/1982 | Stud Book | Not Eligible |
| DOUGHBOY TRISHA - HSH | Mare | BROWN | 110959 | 28/10/1989 | Stud Book | Not Eligible |
| DOUGHBOY TWIST - HSH | Stallion | PALOMINO | F44074 | 21/10/1987 | Foal Recorded | Not Eligible |
| DOUGHBOY ZEPHYR - HSH | Stallion | DUN | F38359 | 24/12/1983 | Foal Recorded | Not Eligible |
| DOUGIE HOUSER | Gelding | BROWN | 123549 | 15/06/1988 | Stud Book | Deceased |
| DOUGS PET | Mare | GREY | 33292 | 01/01/1970 | Stud Book | Deceased |
| DOULTON | Stallion | BAY | 80421 | 26/12/1991 | Stud Book | Not Eligible |
| DOVAH BLUE HAZE - HSH | Mare | BLACK/GREY | F33074 | 01/12/1980 | Foal Recorded | Not Eligible |
| DOVAH BROWN PETER | Stallion | BROWN | F33073 | 26/11/1980 | Foal Recorded | Deceased |
| DOVAH COBBER | Gelding | BAY | 103880 | 04/11/1985 | Stud Book | Not Eligible |
| DOVAH DRUMMOND MIST | Mare | BAY | 103879 | 15/10/1986 | Stud Book | Not Eligible |
| DOVAH GYPSY | Mare | BAY | 43350 | 25/11/1973 | Stud Book | Not Eligible |
| DOVAH MINNIES GIRL | Mare | BAY | 103883 | 12/12/1984 | Stud Book | Deceased |
| DOVAH MINX | Mare | BAY | 103877 | 10/02/1982 | Stud Book | Not Eligible |
| DOVAH PABLO | Gelding | BROWN | 103882 | 07/05/1982 | Stud Book | Not Eligible |
| DOVAH PRINCESS | Mare | BROWN | 103884 | 16/12/1984 | Stud Book | Not Eligible |
| DOVAH RED HEAD | Stallion | CHESTNUT | 103878 | 09/11/1984 | Stud Book | Not Eligible |
| DOVAH STACKED DECK | Gelding | CHESTNUT | 103881 | 02/11/1985 | Stud Book | Not Eligible |
| DOVE | Mare | BLACK | 3084 | 01/01/1967 | Stud Book | Deceased |
| DOVE COTE BRANDY | Mare | BAY | 43321 | 01/08/1972 | Stud Book | Not Eligible |
| DOVE DE GWAIHIR | Mare | CHESTNUT | C1-160906 | 12/09/1999 | First Cross | Not Eligible |
| DOVE RAY DEE - HSH | Mare | BAY | 119619 | 05/09/1990 | Stud Book | Deceased |
| DOVER CINDY | Mare | PALOMINO | 21616 | Stud Book | Deceased | |
| DOVER SURREY | Mare | GREY | 21615 | Stud Book | Deceased | |
| DOWDLE GYPSY LEE | Mare | BAY | 7586 | Stud Book | Deceased | |
| DOWKARTOO | Gelding | BAY | 70074 | 13/10/1980 | Stud Book | Not Eligible |
| DOWLCO ALI CAT - HSH | Mare | BAY | 257281 | 14/08/2016 | Stud Book | Not Eligible |
| DOWN TIME | Gelding | CHESTNUT | 198884 | 20/11/2010 | Stud Book | Not Eligible |
| DOWNBEAT | Mare | BROWN | 19337 | 01/04/1968 | Stud Book | Deceased |
| DOWNFALL BLOSSOM | Mare | BROWN | 1314 | Stud Book | Deceased | |
| DOWNLANDS ALADDINS JEWEL | Mare | BROWN/BLACK | C1-183854 | 01/11/1997 | First Cross | Not Eligible |
| DOWNLANDS COALTRANE | Gelding | BLACK | 140354 | 22/12/1998 | Stud Book | Not Eligible |
| DOWNLANDS HEARTWOOD - HSH | Gelding | BROWN | 143416 | 01/12/2003 | Stud Book | Not Eligible |
| DOWNLANDS SOMETHING SPECIAL | Mare | BLACK | C1-138348 | 24/09/1996 | First Cross | Not Eligible |
| DOWNS CASUAL | Mare | BAY/ROAN | R-255754 | 19/09/2015 | Base Registry | Eligible |
| DOWNS JEZZABEL | Mare | CHESTNUT | R-266388 | 02/11/2011 | Base Registry | Not Eligible |
| DOWNS KATE | Mare | BAY/BROWN | C2-258211 | 01/10/2018 | Second Cross | Deceased |
| DOWNS LITTLE STAR | Mare | BAY | C1-258210 | 13/12/2017 | First Cross | Eligible |
| DOWNS REIGNMAN | Gelding | CHESTNUT | C1-267954 | 21/11/2021 | First Cross | Not Eligible |
| DOWNS REVIEW | Stallion | BAY | C1-163369 | 17/10/1990 | First Cross | Deceased |
| DOWNS SALUTE | Gelding | BROWN/BLACK | C1-266091 | 06/11/2018 | First Cross | Eligible |
| DOWNS SHEZA STAR | Mare | BAY | C1-254907 | 16/12/2012 | First Cross | Not Eligible |
| DOWNS TACTIC | Mare | CHESTNUT | C1-255753 | 16/11/2014 | First Cross | Eligible |
| DOWNS TIMELESS | Mare | CHESTNUT | C1-271895 | 16/11/2019 | First Cross | Eligible |
| DOWNS ZOE - HSH | Mare | BAY/BROWN | C1-193506 | 15/11/2001 | First Cross | Deceased |
| DOWNTOWN - HSH | Stallion | BAY/BROWN | F27959 | 14/01/1981 | Foal Recorded | Deceased |
| DOWNWOOD HOT AMBITION | Mare | BAY/PIED | 165611 | 06/10/2002 | Stud Book | Deceased |
| DOWNWOOD SHOT OF COLOUR | Gelding | BAY/PIED | 156147 | 23/11/2000 | Stud Book | Not Eligible |
| DOX DYNAMO | Gelding | DUN | 80836 | 27/09/1989 | Stud Book | Deceased |
| DOYAKKAS BACK IN BLACK | Gelding | BLACK | 184729 | 31/12/2006 | Stud Book | Not Eligible |
| DOYAKKAS BAM BA LAM | Mare | BLACK | 176536 | 02/10/2004 | Stud Book | Not Eligible |
| DOYAKKAS BELL | Mare | CHESTNUT | 181795 | 20/12/2005 | Stud Book | Eligible |
| DOYAKKAS BRIGHT GOLD | Stallion | CHESTNUT | 186802 | 16/01/2008 | Stud Book | Deceased |
| DOYAKKAS CHINOOK | Stallion | BAY | C2-139038 | 15/11/2000 | Second Cross | Deceased |
| DOYAKKAS DOUBLE REFLECTION - HSH | Gelding | BLACK | 192037 | 10/12/2009 | Stud Book | Not Eligible |
| DOYAKKAS IRONSTONE | Gelding | BAY | 175089 | 06/12/2004 | Stud Book | Not Eligible |
| DOYAKKAS LA NINA | Mare | BAY | 167121 | 20/01/2003 | Stud Book | Not Eligible |
| DOYAKKAS LITTLE PIP | Mare | BAY | 185822 | 02/09/2007 | Stud Book | Not Eligible |
| DOYAKKAS MEG | Mare | GREY | 150130 | 06/12/1999 | Stud Book | Not Eligible |
| DOYAKKAS OCEAN GIRL | Mare | CHESTNUT | 175087 | 06/10/2003 | Stud Book | Not Eligible |
| DOYAKKAS SIREN | Mare | CHESTNUT | 175088 | 03/11/2004 | Stud Book | Not Eligible |
| DOYAKKAS SNIPER | Gelding | BAY | C2-139042 | 24/10/2003 | Second Cross | Not Eligible |
| DOYALI | Mare | BAY | 17930 | Stud Book | Deceased | |
| DOYLES CRUISE | Mare | BAY | 232464 | 24/10/2011 | Stud Book | Not Eligible |
| DOYLES SAMANTHA - HSH | Mare | CHESTNUT | 14159 | 01/08/1966 | Stud Book | Deceased |
| DOYLES THUNDERBIRD | Mare | CHESTNUT | 15132 | 01/11/1969 | Stud Book | Deceased |
| DOYLES WENDY | Mare | BROWN | 17430 | 01/10/1970 | Stud Book | Deceased |
| DOZIE | Mare | BAY | 641 | Stud Book | Deceased | |
| DOZMARY MIDNIGHT | Mare | GREY | 41455 | 31/05/1975 | Stud Book | Not Eligible |
| DR JEKYLL - HSH | Stallion | BAY | 114937 | 23/08/1990 | Stud Book | Deceased |
| DR PEPPER | Gelding | DUN | 134880 | 21/08/1997 | Stud Book | Not Eligible |
| DR RICKETT | Gelding | PALOMINO | 80921 | 01/08/1988 | Stud Book | Not Eligible |
| DR SPROCK - HSH | Gelding | CHESTNUT | 144171 | 28/09/1998 | Stud Book | Eligible |
| DR SUES | Gelding | BAY | 49216 | 01/08/1969 | Stud Book | Deceased |
| DRACULA - HSH | Gelding | BROWN | 233005 | 29/10/2013 | Stud Book | Eligible |
| DRAFT KING | Stallion | BROWN | F20486 | 20/09/1979 | Foal Recorded | Not Eligible |
| DRAFTERS GOLDEN GIRL | Mare | PALOMINO | C1-237114 | 15/04/2012 | First Cross | Eligible |
| DRAFTERS STAR OF VALOUR - HSH | Gelding | BLACK/GREY | 232967 | 01/01/2013 | Stud Book | Eligible |
| DRAFTSMAN - HSH | Stallion | BROWN/BLACK | 111142 | 25/11/1988 | Stud Book | Deceased |
| DRAGETTA | Gelding | BROWN | 65610 | 30/10/1975 | Stud Book | Not Eligible |
| DRAGON EMPRESS | Mare | BAY/BROWN | 77714 | 13/10/1987 | Stud Book | Not Eligible |
| DRAGON HEART - HSH | Gelding | GREY | 144816 | 28/12/1998 | Stud Book | Not Eligible |
| DRAGONSFIELD SONDELLA - HSH | Mare | BUCKSKIN | C2-197246 | 30/09/2008 | Second Cross | Eligible |
| DRAGONSFIELD TOMMY | Gelding | BROWN/PIED | C1-196666 | 02/11/2009 | First Cross | Not Eligible |
| DRAGONSFIELD TWILIGHT - HSH | Mare | DUN | C2-199004 | 04/08/2010 | Second Cross | Eligible |
| DRAKE CARFAX | Gelding | CHESTNUT | 17431 | 01/01/1966 | Stud Book | Deceased |
| DRAKES STAR QUEEN | Mare | CHESTNUT | 23386 | Stud Book | Deceased | |
| DRALEON SIERRA | Mare | BAY | 5191 | 01/01/1971 | Stud Book | Deceased |
| DRALEON TOPAZ | Mare | BAY | 2372 | Stud Book | Deceased | |
| DRAMBUI COPPER LAD | Gelding | CHESTNUT | 41938 | 01/01/1973 | Stud Book | Deceased |
| DRAMBUIE | Mare | BAY | 3145 | Stud Book | Deceased | |
| DRANA TWIGGY | Mare | PIED | 11852 | Stud Book | Deceased | |
| DRANOEL DANNY | Stallion | CHESTNUT | F7955 | 01/12/1976 | Foal Recorded | Not Eligible |
| DRANOEL FAIRY | Mare | BROWN | 9373 | Stud Book | Deceased | |
| DRANOEL ROSIE | Mare | BROWN | 9374 | Stud Book | Deceased | |
| DRAPERS POLLY PERKINS | Mare | BROWN | 17432 | 01/01/1971 | Stud Book | Deceased |
| DRAYTON DESIGNER IMAGE - HSH | Mare | GREY | 260389 | 25/08/2021 | Stud Book | Eligible |
| DRAYTON SICARIO | Stallion | BLACK/GREY | C2-265026 | 13/11/2019 | Second Cross | Eligible |
| DRAYTON SILK AND CHANDELIERS | Mare | BAY | C2-244957 | 31/10/2014 | Second Cross | Eligible |