| Gainsborough | 1915 | Hampton系 |
| Gallant Man | 1954 | Bois Roussel系 |
| Gallant Romeo | 1961 | Bois Roussel系 |
| Galliard | 1880 | King Fergus系 |
| Gallinule | 1884 | Pot 8 o's系 |
| Galopin | 1872 | King Fergus系 |
| Gangway | 1890 | Pot 8 o's系 |
| Garde Coeur | 1960 | Brantome系 |
| Garde Royale | 1980 | Mill Reef系 |
| Gardefeu | 1895 | Herod系 |
| George Kessler | 1894 | Pot 8 o's系 |
| Geroge Smith | 1913 | St. Simon系 |
| Ghostzapper | 2000 | Northern Dancer系 |
| Giant's Causeway | 1997 | Storm Bird系 |
| (アラ) Gidran XXXVI | ---- | Arab父系 |
| (アラ) Gidran XL | ---- | Arab父系 |
| (アラ) Gidran XLI | ---- | Arab父系 |
| (アラ) Gidran XLII | ---- | Arab父系 |
| Gladiateur | 1862 | Pot 8 o's系 |
| Gladiator | 1833 | Herod系 |
| Gladiolo | 1943 | Pot 8 o's系 |
| Globemaster | 1958 | Hyperion系 |
| Gnome | 1916 | Pot 8 o's系 |
| Godolphin Arabian | 1724 | Matchem系 |
| Gohanna | 1790 | Eclipse系 |
| Gold Bridge | 1929 | Bend Or系 |
| Golden Boss | 1920 | Bend Or系 |
| Golden Cloud | 1941 | Bend Or系 |
| Golden Missile | 1995 | Bold Ruler系 |
| Golden Ruler | 1961 | Owen Tudor系 |
| Gold Meridian | 1982 | Bold Ruler系 |
| Golumpus | 1802 | Eclipse系 |
| Gone West | 1984 | Mr. Prospector系 |
| Gonsalvo | 1887 | Pot 8 o's系 |
| Good Goods | 1931 | Himyar系 |
| Goofalik | 1987 | Lyphard系 |
| Goya | 1934 | Tourbillon系 |
| Goyama | 1943 | Tourbillon系 |
| Grafton | 1894 | King Fergus系 |
| Grand Parade | 1916 | Bend Or系 |
| Grand Lodge | 1991 | Danzig系 |
| Grandmaster | 1868 | Pot 8 o's系 |
| Grand Slam | 1933 | Matchem系 |
| Grand Slam | 1995 | Mr. Prospector系 |
| Gratitude | 1953 | Bend Or系 |
| Graustark | 1963 | Ribot系 |
| Great Above | 1972 | Himyar系 |
| (アラ) Great Hamdani | ---- | Arab父系 |
| Great Nephew | 1963 | Fairway系 |
| Greenback | 1907 | St. Simon系 |
| Green Dancer | 1972 | Nijinsky系 |
| Green Desert | 1983 | Danzig系 |
| Grey Dawn | 1962 | Son-in-Law系 |
| Grey Eagle | 1957 | Hyperion系 |
| Grey Ghost | 1957 | Bend Or系 |
| Grey Sovereign | 1948 | Nasrullah系 |
| Grindstone | 1993 | Mr. Prospector系 |
| Grosvenor | 1913 | Bend Or系 |
| Grosvenor | 1979 | Sir Gaylord系 |
| Guillaume Tell | 1972 | Nasrullah系 |
| Gulch | 1984 | Mr. Prospector系 |
| Gulf Pearl | 1962 | Blandford系 |