| Snekkja frá Syndur |
10 YO Chestnut Icelandic Mare |
Syndur |
| So Long Jimmy |
20 YO bay Morgan Stallion |
Arcadia Morgans/Cedarwyn Acres |
| Sobirat C |
2023 Bay Arabian Stallion |
Rueath Acres |
| SOF A Brave New Light |
6 YO Black American Saddlebred Stallion |
Stony Hollow Stables |
| Sólfall frá Eðlihestar |
5 YO Bay dun Icelandic Mare |
Vindhani |
| Solidago Acid Rain |
8 YO Chestnut American Saddlebred Stallion |
Dawnvale |
| Solidago Sweet Dream |
8 YO Black American Saddlebred Mare |
Dawnvale |
| Sólmyr frá Hemholti |
8 YO Red Dun Icelandic Stallion |
Dawnvale |
| Somontano |
6 YO Red Roan Peruvian Paso Stallion |
Aldatha Farms |
| Sónata frá Ljóma |
1 YO Red pinto Icelandic Mare |
Ljóma |
| Sonja MA |
2013 Black Friesian Mare |
Maghara Arabians |
| Sound The Alarm W |
2015 Bay Half-Arabian Mare |
Wrong Way Stud |
| South Side Harlem CCR |
2023 Bay American Saddlebred Stallion |
Cajun Cross Ranch |
| Sparkling Wine M |
2013 Palomino National Show Horse Mare |
Maghara Arabians |
| Sparta Siyadah |
2012 Chestnut Arabian Mare |
Wolf Creek Ranch |
| Spice Gyrl Wv |
2015 Chestnut National Show Horse Mare |
Maghara Arabians |
| Sprækur fra Jorðum |
21 YO Chestnut Splash Icelandic Stallion |
Syndur |
| Spritz It Up C |
2023 Amber Champagne National Show Horse Mare |
Cajun Cross Ranch |
| Spyrning SOS |
2018 Buckskin Icelandic Stallion |
Mystic Visions |
| Stakkur frá Ljóma |
1 YO Dark bay Icelandic Stallion |
Ljóma |