| | RUFINIA | 2001 | 2001 |
| | RUFUS E FOSTER | 1944 | 1944 |
| | RUGDEFJELL | 1950 | 1965 |
| | RUHR | 1928 | 1943 |
| | RUJA | 1926 | 1932 |
| | RULA | 1977 | 2003 |
| | RULEWAVE WARRIOR | 1978 | 1996 |
| | RUMPHIUS | 1908 | 1908 |
| | RUNNER | 1976 | 2000 |
| | RUNNER 4 | 1976 | 2002 |
| | RUNO | 1900 | 1900 |
| | RUNO | 1905 | 1945 |
| | RUNO | 1948 | 1961 |
| | RUPIT | 1948 | 1968 |
| | RURH | 1919 | 1924 |
| | RUSBEL | 1958 | 1973 |
| | RUSHMOORE | 1971 | 1971 |
| | RUTH | 1905 | 1922 |
| | RUTH | 1939 | 1989 |
| | RUTHY | 1955 | 1985 |
| | RUURLOO | 1917 | 1919 |
| | RUYS | 1938 | 1938 |
| | RUYSDAAL | 1941 | 1942 |
| | RYAD | 1926 | 1958 |
| | RYM | 1919 | 1925 |
| | RYNHAVEN | 1975 | 1975 |
| | RYNLAND | 1919 | 1947 |
| | RYNSTROOM | 1942 | 1942 |