| Cade | 1734 | Matchem系 |
| Caerleon | 1980 | Nijinsky系 |
| (アア) Cafettot | 1975 | St. Simon系 |
| Cagliostro | 1974 | Blandford系 |
| Cahill Road | 1988 | Mr. Prospector系 |
| Cain | 1822 | Herod系 |
| Cambremont | 1962 | Prince Bio系 |
| Cambuscan | 1861 | Pot 8 o's系 |
| Cambyse | 1884 | Herod系 |
| Camden Town | 1975 | Dante系 |
| Camel | 1822 | Pot 8 o's系 |
| Cameronian | 1928 | Pharos系 |
| Campfire | 1914 | Bend Or系 |
| Canary | 1858 | Pot 8 o's系 |
| Candy Spots | 1960 | Pot 8 o's系 |
| Candy Stripes | 1982 | Red God系 |
| Cannonade | 1971 | Bold Ruler系 |
| Canon Law | 1930 | Phalaris系 |
| Cape Cross | 1994 | Danzig系 |
| Capote | 1984 | Bold Ruler系 |
| Captain's Gig | 1965 | Royal Charger系 |
| Captivation | 1902 | Bend Or系 |
| Carbine | 1885 | Pot 8 o's系 |
| Carlemont | 1962 | Prince Rose系 |
| Caro | 1967 | フォルティノ系 |
| Carr de Naskra | 1981 | Nasrullah系 |
| Carson City | 1987 | Mr. Prospector系 |
| Castrel | 1801 | Herod系 |
| Cat Thief | 1996 | Storm Bird系 |
| Catton | 1809 | Eclipse系 |
| Cavaliere d'Arpino | 1926 | St. Simon系 |
| Caveat | 1980 | Bold Ruler系 |
| Celtic Swing | 1992 | Mr. Prospector系 |
| Century | 1969 | My Babu系 |
| Chamossaire | 1942 | Hurry On系 |
| Chance Play | 1923 | Matchem系 |
| Channel Swell | 1939 | Fairway系 |
| Chanteur | 1942 | Bend Or系 |
| Chantmerle | 1911 | Bend Or系 |
| Charlemagne | 1904 | St. Simon系 |
| Charlottesville | 1957 | Prince Rose系 |
| Charlottown | 1963 | Prince Rose系 |
| Charnwood Forest | 1992 | Intent系 |
| Chateau Bouscaut | 1927 | Bend Or系 |
| Chatsworth | 1901 | St. Simon系 |
| Chaucer | 1900 | St. Simon系 |
| Cherokee Run | 1990 | Red God系 |
| Chicle | 1913 | Pot 8 o's系 |
| Chief's Crown | 1982 | Danzig系 |
| Chieftain | 1961 | Bold Ruler系 |
| Childwick | 1890 | St. Simon系 |
| Chouberski | 1902 | Herod系 |
| Cicero | 1902 | Bend Or系 |
| Citadel | 1859 | Pot 8 o's系 |
| Clarion | 1944 | Djebel系 |
| Clarion | 1894 | Pot 8 o's系 |
| Clarissimus | 1913 | Bend Or系 |
| Classic Go Go | 1978 | Fairway系 |
| Clever Trick | 1976 | Nearctic系 |
| Closing Argument | 2002 | Intent系 |
| Coastal Traffic | 1941 | Hyperion系 |
| Codex | 1977 | Ribot系 | Cohoes | 1954 | Blenheim系 |
| Cohort | 1925 | Bend Or系 |
| Colin | 1905 | Himyar系 |
| Colombo | 1931 | Phalaris系 |
| Colorado | 1923 | Phalaris系 |
| Combat | 1944 | Blandford系 |
| Comedy Star | 1968 | Tom Fool系 |
| (アラ) Comet | 1953 | Arab父系 |
| Commando | 1898 | Himyar系 |
| Compiegne | 1858 | Herod系 |
| Comtat | 1912 | Eclipse系 |
| Comus | 1809 | Matchem系 |
| Concern | 1991 | Himyar系 |
| Conductor | 1767 | Matchem系 |
| Confessor | 1943 | Fair Trial系 |
| Congreve | 1924 | Pot 8 o's系 |
| Conquistador Cielo | 1979 | Mr. Prospector系 |
| Consols | 1908 | St. Simon系 |
| Cool Moon | 1968 | Nearctic系 |
| Cooltrim | 1907 | Bend Or系 |
| Copyright | 1918 | Pot 8 o's系 |
| Cormorant | 1974 | Ribot系 | Coronach | 1923 | Hurry On系 |
| Correlation | 1951 | Blenheim系 |
| Correze | 1887 | Pot 8 o's系 |
| Counsel | 1952 | Fair Trial系 |
| Count Amber | 1957 | Tourbillon系 |
| Count Rendered | 1945 | Hurry On系 |
| Count Schomberg | 1892 | Pot 8 o's系 |
| Court Martial | 1942 | Fair Trial系 |
| Courtois | 1876 | Pot 8 o's系 |
| Cover Up | 1943 | Hyperion系 |
| Cox's Ridge | 1974 | Royal Charger系 |
| Cozzene | 1980 | フォルティノ系 |
| Crafty Admiral | 1948 | Teddy系 |
| Crafty Prospector | 1979 | Mr. Prospector系 |
| Craig an Eran | 1918 | King Fergus系 |
| Creme dela Creme | 1963 | Hyperion系 |
| Crepello | 1954 | Blenheim系 |
| Crimson Satan | 1959 | Himyar系 |
| Crown Prince | 1863 | Pot 8 o's系 |
| Cryptoclearance | 1984 | Mr. Prospector系 |
| Cure the Blues | 1978 | Hail to Reason系 |
| Curragh King | 1950 | Nasrullah系 |
| Cute Eyes | 1930 | St. Simon系 |
| Cylgad | 1909 | Bend Or系 |
| Cyllene | 1895 | Bend Or系 |