| Namn | Licens | Födelseår | Far | Mor | Morfar |
|---|---|---|---|---|---|
| Sleipner | 2623 | 1976 | Ciceron | Isa Lee | Drabant |
| Sleipner | 200111 | 1989 | Lilla My | ||
| Sleipner | 225013 | 1993 | Sandur av Sandsnäs | Lotty | |
| Sleipnir | 931380 | 1988 | |||
| Sleo | 248354 | 2002 | |||
| Slettens Rubicon | 228191 | 1996 | Horsemosens Stardust | Wilsy | Roseisle Sweet William |
| Slide On | 1941 | Bobsleigh | Ojala | Buen Ojo | |
| Slieve Bloom Harry | 255221 | 2004 | Laerkens Cascade Dawn | Slieve Bloom Mist | Newbridge Oliver |
| Slieve Dara | 10227 | 1962 | Mac Dara | Slieveaniarainn | Cillciarain |
| Sligo Bay | 5044 | 1976 | |||
| Sligo Bliss | 1977 | Bliss | |||
| Sligo Chopper | 1976 | ||||
| Sligo Classic | 228098 | 1995 | |||
| Sligo Dream | 18168 | 1984 | |||
| Sligo Dream | 2887 | 1984 | |||
| Sligo High Peak | 214974 | 1994 | |||
| Sligo Joanna | 6787 | 1975 | |||
| Sligo Model | 4259 | 1977 | Durantes | Chilon | |
| Sligo Pass | 236268 | 1998 | |||
| Sligo Yarn | 5922 | 1977 | Middle Temple | ||
| Slim Jim | 973150 | 1989 | |||
| Slinky | 227057 | 1996 | Flagmount King | Riverbasin | Tremblant xx |
| Slippers Mirage | 973780 | 1991 | Moulin | Slippers Queen | Jimmy Reppin |
| Slippers Surprise | 998231 | 1989 | Tanaos xx | Slippers Queen xx | Jimmy Reppin xx |
| Slippy of Nana | 6525 | 1976 | Vera Slipon Fury | Nana Fleur of Mimo | Deerac Summertim |
| Sloan | 230547 | 1996 | Lotus Pool | White coat | Abwah |
| Slocum | 12046 | 1976 | Utrillo | Therese | Urbino |
| Slogum Brage | 220835 | 1973 | Brage (NO) | Slogum Vira (NO) | Kvikk Sylfiden (NO) |
| Slogun | 218465 | 1994 | Shogun | Dyrett | Lansiär |
| Sloopy | 86755 | 1973 | Immer | Tatiana | Cosmos |