J Horse Names
| Name | Title | Additional Titles |
| J Urbana Wardi 1991 | SE | AK Asil |
| J Zaziza 1991 | SE | AK Asil |
| JA Bakura 1984 | SE | AK Asil |
| JA Bint Maariah* 1990 | SE | Asil SO |
| Jabberwok 1918 | SE | SO Sub-Basilisk |
| Jabbok 1949 | USA | Sub-Basilisk |
| Jabinta 1969 | USA | AK Sub-Basilisk |
| Jacobita 1946 | Span | |
| Jadaan 1916 | USA | AK BLUE STAR or Blue List |
| Jadanna 1929 | KEL | Sub-Skowronek |
| Jadera 1962 | USA | AK SO Sub-Basiilisk |
| Jadib 1954 | ES | AK SO Sub-Basilisk |
| Jadonna 1964 | USA | AK Sub-Basilisk |
| Jadur 1930 | KEL | AK BLUE STAR or Blue List |
| Jadura 1931 | KEL | BLUE STAR or Blue List |
| Jadwiga NFD | POL | |
| Jady 1961 | USA | AK Sub-Basilisk |
| Jaecera 1946 | Span | |
| Jaecero 1946 | Span | |
| Jafa 1915 | USA | Blue List |
| Jaga II 1928 | POL | |
| Jagiello 1869 | POL | |
| Jahci Nasr 1970 | USA | |
| Jahil* 1908 | SE | Asil SO Sub-Basilisk |
| Jahmalah 1987 | SE | AK Asil |
| Jal Khebir 1966 | USA | Blue List |
| Jalam Al Ubayan* 1949 | DES | AK BLUE STAR |
| Jalam Fairlie* 1966 | DES | BLUE STAR |
| Jaleel 1927 | EB | |
| Jalida 1960 | EB | AK SO Sub-Basilisk |
| Jalifa II 1955 | Span | |
| Jalila* 1922 | Crb/NOT SE | |
| Jalisco* 1971 | Span | |
| Jaliya 1984 | SE | AK Asil |
| Jalmuda 1898 | SE | AK Asil SO |
| Jamal Jaheem 1995 | SE | AK Asil |
| Jamala Kumait 1987 | SE | AK Asil |
| Jamala Tifla 1980 | SE | AK Asil |
| Jamala Zaafinah 1995 | SE | AK Asil |
| Jamani* 1980 | SE | AK Asil |
| Jameel* 1904 | DES | Blue List |
| Jamil 1896 | SE | AK Asil SO BCFS |
| Jamil El Ahmar c.1884 | SE | AK Asil SO BCFS |
| Jamil El Kebir* c.1870 | SE | AK Asil SO |
| Jamil-Abdullah-Azam 1936 | USA | BLUE STAR or Blue List |
| Jamila 1906 | SE | AK Asil SO BCFS |
| Jamila I 1865 | SE | Asil BCFS |
| Jamila Shamahl 1978 | SE | AK Asil |
| Jamila* 1887 | Crb/NOT SE | SO Blue List |
| Jamilll* 1975 | SE | Asil |
| Jamri OA* 1863 | POL | |
| Jamrood 1888 | UK | BCFS |
| Janan Abinoam 1960 | USA | AK BLUE STAR or Blue List |
| Janar 1960 | USA | AK SO Sub-Basilisk |
| Janczar-Aga NFD | POL | |
| Janczarka* 1886 | POL | |
| Janeo 1932 | KEL | BLUE STAR |
| Janidah 1977 | SE | AK Asil |
| Janika 1917 | USA | Blue List |
| Janus 1942 | USA | Sub-Basilisk |
| Japonia 1889 | POL | |
| Jarad 1925 | USA | Blue List |
| Jaramar 1949 | USA | Sub-Skowronek |
| Jarid 1932 | KEL | Sub-Skowronek |
| Jariyat 1944 | USA | Sub-Skowronek |
| Jaromir 1958 | SE | Asil SO Blue List |
| Jasir* 1925 | SE | AK Asil SO |
| Jaskolka 1891 | POL | |
| Jaskolka 1945 | USA | |
| Jaskolka II 1928 | POL | |
| Jasmarah 1989 | SE | AK Asil |
| Jasmeen 1923 | UK | |
| Jasmyn 1967 | SE | AK Asil SO |
| Jaspar 1966 | ES | AK Blue List |
| Jaspre 1945 | USA | AK Sub-Basilisk |
| Jassin 1916 | USA | BLUE STAR |
| Jasyna 1969 | EB | AK Blue List |
| Jathimah* c.1845 | SE | AK Asil SO BCFS |
| Jatta 1933 | ES | |
| Jauf 1915 | USA | BLUE STAR |
| Jauharra 1993 | EB | |
| Jawharah 1944 | USA | Sub-Basilisk |
| Jawi-Jawi 1912 | ES | SO |
| Jazell 1972 | USA | |
| Jazella 1965 | USA | |
| Jazera* 1988 | SE | AK Asil |
| JB Sotiqa 1963 | USA | |
| Jeasinde 1957 | USA | |
| Jed Bint Nashakla* 1980 | SE | Asil |
| Jedah* 1902 | DA | AK BLUE STAR |
| Jedana 1947 | USA | AK Blue List |
| Jedar 1956 | USA | Sub-Basilisk |
| Jedara 1958 | USA | Sub-Basilisk |
| Jeddah Princess 1947 | USA | AK Blue List |
| Jedha 1937 | USA | AK Blue List |
| Jedha Zeyd 1948 | USA | Blue List |
| Jedhan 1958 | USA | Sub-Basilisk |
| Jedra 1929 | USA | Blue List |
| Jedran 1932 | EB | AK Sub-Basilisk |
| Jedrif 1949 | USA | Sub-Basilisk |
| Jedriss 1946 | USA | |
| Jehan 1959 | SE | AK Asil SO |
| Jeliotrop* 1899 | POL | |
| Jellabiet 1937 | SE | Blue List |
| Jellabiet Feysul* c.1842 | SE | AK Asil SO |
| Jellaby* 1935 | SE | Asil SO Blue List |
| Jelma 1942 | SBab | Sub-Dwarka |
| Jemater 1962 | USA | AK Blue List |
| Jerboa I c.1858 | SE | AK Asil SO BCFS |
| Jerboa* 1874 | Crb/NOT SE | AK SO |
| Jeremah 1913 | USA | Blue List |
| Jericho 1944 | USA | Sub-Basilisk |
| Jeroboam 1882 | ES | AK SO BCFS |
| Jeroboam 1882 or Proximo 1875 | ??? | |
| Jerrede 1910 | DA | Blue List |
| Jerriff 1965 | USA | Sub-Basilisk |
| Jeruan* 1920 | ES | |
| Jerud 1883 | ES | AK SO BCFS |
| Jerychonka 1909 | POL | |
| Jeseyna 1954 | USA | |
| Jessica 1961 | USA | AK BLUE STAR or Blue List |
| Jet 1956 | SE | Asil SO Blue List |
| Jezail or Roustom | ??? | |
| Jezirah Tuman 1985 | SE | Asil |
| Jidat 1913 | USA | Blue List |
| Jidua 1935 | ||