| Name | Sex | Colour | Registration | Foaling Date | Reg Status | Competition Status |
|---|---|---|---|---|---|---|
| LLANGOLLEN SCRUBBER | Gelding | BROWN | 185957 | 12/08/2004 | Stud Book | Deceased |
| LLANILLO CILLA | Mare | BROWN | F39472 | 03/12/1984 | Foal Recorded | Not Eligible |
| LLANILLO CZAR | Stallion | BAY | F35578 | 14/11/1982 | Foal Recorded | Not Eligible |
| LLANILLO FIONA | Mare | CHESTNUT | F31554 | 12/09/1981 | Foal Recorded | Not Eligible |
| LLANILLO GOLDEN JASMINE | Mare | CHESTNUT | F38581 | 28/10/1983 | Foal Recorded | Not Eligible |
| LLANILLO MARKSMAN | Stallion | CHESTNUT | F35577 | 01/10/1982 | Foal Recorded | Not Eligible |
| LLANILLO NIKALAI | Stallion | PALOMINO | F31555 | 09/09/1981 | Foal Recorded | Not Eligible |
| LLANRHEIDOL ELVIS | Stallion | GREY | 43791 | 01/01/1972 | Stud Book | Deceased |
| LLANRHEIDOL LIL | Mare | CHESTNUT | 47739 | 01/08/1974 | Stud Book | Not Eligible |
| LLEROGS ANGIE | Mare | BROWN | 27534 | Stud Book | Not Eligible | |
| LLERROGS BEV | Mare | BAY | 37264 | 12/12/1975 | Stud Book | Not Eligible |
| LLERROGS BLUE | Mare | GREY | 21790 | Stud Book | Deceased | |
| LLERROGS CANDY - HSH | Mare | BAY | 21786 | 10/10/1964 | Stud Book | Deceased |
| LLERROGS CASSILIS | Mare | GREY | 31348 | Stud Book | Not Eligible | |
| LLERROGS CLEO | Mare | BROWN | 40648 | 01/01/1966 | Stud Book | Deceased |
| LLERROGS FLEE BITTEN | Mare | GREY | 40646 | Stud Book | Not Eligible | |
| LLERROGS GALLANT PRIDE | Mare | BAY | 37262 | 30/10/1975 | Stud Book | Not Eligible |
| LLERROGS JANE | Mare | BAY | 30645 | 01/01/1972 | Stud Book | Deceased |
| LLERROGS JANES GAL | Mare | BAY | 37263 | 10/10/1975 | Stud Book | Not Eligible |
| LLERROGS KATE | Mare | BROWN | 40821 | Stud Book | Not Eligible | |
| LLERROGS MISS NEWSTED | Mare | CHESTNUT | 31349 | 01/01/1969 | Stud Book | Deceased |
| LLERROGS NESICH | Mare | BAY | 31350 | 01/01/1967 | Stud Book | Deceased |
| LLERROGS PEACE | Mare | BAY | 40647 | 01/08/1973 | Stud Book | Not Eligible |
| LLERROGS PRINCESS | Mare | CHESTNUT | 30648 | 01/01/1969 | Stud Book | Deceased |
| LLERROGS PRINCESS SHAR | Mare | GREY | 37265 | 10/11/1975 | Stud Book | Not Eligible |
| LLERROGS SILVER | Gelding | GREY | 27533 | Stud Book | Not Eligible | |
| LLERROGS SUGAR | Mare | GREY | 30646 | 01/01/1972 | Stud Book | Deceased |
| LLERROGS SUNLIGHT | Mare | BAY | 40645 | 01/01/1966 | Stud Book | Deceased |
| LLERROGS THELMA | Mare | BROWN | 30647 | Stud Book | Not Eligible | |
| LLEUMEAN CLANCY | Gelding | BROWN | 69053 | 26/08/1982 | Stud Book | Deceased |
| LLEWELLYN | Gelding | CHESTNUT | C1-127629 | 01/10/1992 | First Cross | Not Eligible |
| LLEWEN HILL DOT | Mare | BAY | 19439 | 01/08/1960 | Stud Book | Deceased |
| LLEWEN HILL GHOST | Mare | GREY | 19222 | Stud Book | Deceased | |
| LLEWEN HILL GOLDEN GIRL | Mare | PALOMINO | 24437 | Stud Book | Not Eligible | |
| LLEWEN HILL GYPSY | Mare | BAY | 19225 | Stud Book | Deceased | |
| LLEWEN HILL JOSEY | Mare | BAY | 19223 | Stud Book | Deceased | |
| LLEWEN HILL JUDY | Mare | GREY | 19227 | Stud Book | Deceased | |
| LLEWEN HILL NUGGETT | Mare | BROWN | 19228 | Stud Book | Deceased | |
| LLEWEN HILL RAY | Mare | BAY | 19224 | Stud Book | Deceased | |
| LLEWEN HILL SILVER | Mare | GREY | 19229 | Stud Book | Deceased | |
| LLEWEN HILL SPOT | Mare | CHESTNUT | 19440 | 01/08/1960 | Stud Book | Deceased |
| LLEWEN HILL SUNRAY | Mare | BAY | 19230 | Stud Book | Deceased | |
| LLEWEN HILL TRACEY | Mare | BAY | 19226 | Stud Book | Deceased | |
| LLEWEN HILL VELVET | Mare | BROWN | 24436 | Stud Book | Not Eligible | |
| LLOMA | Mare | PALOMINO | 33894 | 08/12/1974 | Stud Book | Not Eligible |
| LLOWRA CAROUSEL | Mare | BAY | C1-138880 | 11/10/1995 | First Cross | Not Eligible |
| LLOYD ARCHER | Gelding | BAY | 58942 | 01/09/1972 | Stud Book | Not Eligible |
| LLOYDS BELLE | Mare | CHESTNUT | 77757 | 17/09/1984 | Stud Book | Deceased |
| LLOYDS GOLDIE | Mare | CHESTNUT | 14294 | 01/01/1967 | Stud Book | Deceased |
| LLOYDS GUNNER | Gelding | DUN | 57075 | Stud Book | Not Eligible | |
| LO ANNA CASCADE | Mare | CHESTNUT | 51632 | 21/10/1977 | Stud Book | Not Eligible |
| LO ANNA CERISE | Mare | BAY | F8021 | 06/11/1976 | Foal Recorded | Not Eligible |
| LO ANNA CHARM | Mare | BROWN | 60468 | 07/10/1976 | Stud Book | Not Eligible |
| LO ANNA CHIEFTAIN | Gelding | BROWN | 28141 | 08/11/1974 | Stud Book | Not Eligible |
| LO ANNA COMET | Gelding | BAY | 35863 | 29/10/1973 | Stud Book | Not Eligible |
| LO ANNA MAJESTIC | Gelding | BAY | 52502 | 29/11/1975 | Stud Book | Not Eligible |
| LO ANNA MARTINI | Mare | BROWN | 13620 | 01/08/1960 | Stud Book | Deceased |
| LOAD N EXPLODE | Mare | BAY | B2-267146 | 03/10/2018 | Breeding Purposes Only - Second Cross | Not Eligible |
| LOADED CAROUSEL | Mare | CHESTNUT | C1-267235 | 30/09/2023 | First Cross | Eligible |
| LOADED DICE | Gelding | BAY | 67554 | 01/08/1971 | Stud Book | Deceased |
| LOADED KITTY | Mare | BROWN | R-258326 | 11/11/2020 | Base Registry | Eligible |
| LOCAL CHANCE | Mare | CHESTNUT | 17014 | 01/03/1972 | Stud Book | Deceased |
| LOCALLANI | Mare | BAY | 23351 | 04/01/1969 | Stud Book | Deceased |
| LOCAMOTION | Gelding | BAY/BROWN | 126197 | 06/10/1993 | Stud Book | Not Eligible |
| LOCASKA | Mare | BAY | 979 | Stud Book | Deceased | |
| LOCEMMLIE LINCOLN - HSH | Gelding | BROWN | 253892 | 12/11/2019 | Stud Book | Eligible |
| LOCEMMLIE LUCY | Mare | BLACK | 190102 | 28/10/2007 | Stud Book | Eligible |
| LOCH HELION | Mare | BAY | 28125 | Stud Book | Deceased | |
| LOCH HILL FELIX | Gelding | GREY | 72684 | 04/10/1978 | Stud Book | Not Eligible |
| LOCH LASS | Mare | BAY | F21946 | 08/08/1979 | Foal Recorded | Not Eligible |
| LOCH LISA | Mare | BROWN | 75031 | 01/01/1981 | Stud Book | Not Eligible |
| LOCH LOMOND - HSH | Mare | BLACK | 30861 | 01/08/1960 | Stud Book | Deceased |
| LOCH LOUIE PANACHE - HSH | Gelding | BROWN | 236400 | 26/10/2012 | Stud Book | Not Eligible |
| LOCH MAIGH GIFT - HSH | Mare | BROWN/BLACK | 102538 | 28/09/1986 | Stud Book | Not Eligible |
| LOCH MAIGH RIPPLE - HSH | Mare | BAY | 69649 | 01/08/1980 | Stud Book | Deceased |
| LOCH RAY ALAMANDA | Mare | PALOMINO | 61591 | 11/11/1976 | Stud Book | Not Eligible |
| LOCH RAY BIANCA | Mare | CHESTNUT | 71357 | 01/12/1981 | Stud Book | Not Eligible |
| LOCH RAY BRITANNIA | Mare | BROWN | 64968 | 30/09/1978 | Stud Book | Not Eligible |
| LOCH RAY CACABLANCA | Gelding | GREY | 64967 | 01/09/1976 | Stud Book | Not Eligible |
| LOCH RAY ELETE | Mare | GREY | 61589 | 03/10/1975 | Stud Book | Not Eligible |
| LOCH RAY FINOLA | Mare | GREY | 129749 | 05/10/1993 | Stud Book | Deceased |
| LOCH RAY MAGENTA | Mare | CHESTNUT | F9924 | 08/10/1976 | Foal Recorded | Not Eligible |
| LOCH RAY SEPTEMBER SONG | Mare | CHESTNUT | 61590 | 01/09/1971 | Stud Book | Deceased |
| LOCH RAY ZARA | Mare | CHESTNUT | F43819 | 10/12/1987 | Foal Recorded | Not Eligible |
| LOCHABER TRINKET | Mare | BAY | 66376 | 01/11/1974 | Stud Book | Not Eligible |
| LOCHAGAR DUVAL - HSH | Gelding | BAY | F18406 | 18/10/1978 | Foal Recorded | Not Eligible |
| LOCHALINE | Mare | CHESTNUT | 58332 | 30/09/1978 | Stud Book | Deceased |
| LOCHARBER BUTTERFLY | Mare | BAY | 105019 | 10/10/1985 | Stud Book | Deceased |
| LOCHARBER KIWI | Gelding | CHESTNUT | F40768 | 01/11/1984 | Foal Recorded | Not Eligible |
| LOCHAVEN ALPINE | Gelding | CHESTNUT | 50235 | 22/12/1975 | Stud Book | Not Eligible |
| LOCHAVEN NEVADA | Gelding | CHESTNUT | 39487 | Stud Book | Not Eligible | |
| LOCHAYR TALISMAN | Gelding | CHESTNUT | 64421 | 26/10/1976 | Stud Book | Deceased |
| LOCHEDEN DESTINED TO CON | Gelding | BAY | 265893 | 19/10/2017 | Stud Book | Not Eligible |
| LOCHEDEN LITTLE BESS - HSH | Mare | BLACK | 265894 | 27/09/2004 | Stud Book | Not Eligible |
| LOCHEDEN SPECIAL SECRET - HSH | Mare | BLACK | 266569 | 22/11/2022 | Stud Book | Not Eligible |
| LOCHEDEN TAMMY TEMPTRESS | Mare | BLACK | 266568 | 25/10/2018 | Stud Book | Not Eligible |
| LOCHEND GRUBBER - HSH | Stallion | BAY | F166780 | 04/11/2002 | Foal Recorded | Not Eligible |
| LOCHERN LASS | Mare | BROWN | 1357 | Stud Book | Deceased | |
| LOCHIEL ALLEGRETTO - HSH | Mare | BAY | 100092 | 16/10/1986 | Stud Book | Not Eligible |
| LOCHIEL ALLEGRO - HSH | Stallion | BROWN | 110777 | 04/11/1988 | Stud Book | Not Eligible |