| Sierra Leone |
6 YO Palomino American Quarter Horse Mare |
Reinecker Ranch |
| Sign Me Up |
2012 Black Few Spot Appaloosa Mare |
Aspen Creek Ranch |
| Silver Fleck FS |
2006 Red Roan Quarter Horse Mare |
Kaimel Stable |
| Silver Glo GE |
2013 Bay Roan Quarter Horse Mare |
Golden Eagle Farm |
| Silver Siren |
2011 Grullo Sabino Colonial Spanish Horse\Lusitano Mare |
Aspen Creek Ranch |
| Silver Smokin Captain CT |
2007 Silver Bay Sabino Morgan Stallion |
Kaimel Stable |
| Silver Stetson |
2014 Buckskin Tobiano Paint Horse Mare |
Crimson Trail Stables |
| Silverrace OK |
2014 Red Dun Quarter Horse Stallion |
Green Oak Stables |
| Sin With Me FS |
2013 Palomino Quarter Horse Stallion |
Blackwell Inc |
| Sinful Knowledge K |
2017 Grey Domestic Arabian Mare |
Kiyo Performance Horses |
| Sir Dash Bar |
2002 Sorrel Quarter Horse Stallion |
Fiesta Stock Horses |
| Siren Fayrouz VF |
2014 Grey (Bay) Egyptian Arabian Mare |
Flames from the Fire Stables |
| Sixes Valentine |
2009 Chestnut Quarter Horse Mare |
Aspen Creek Ranch |
| Skip By Hickory WF |
2004 Bay Quarter Horse Mare |
Fiesta Stock Horses |
| Skip Merry Bar |
2000 Chestnut Quarter Horse Mare |
Fiesta Stock Horses |
| Skippa Whiz Kid |
2001 Dunskin Quarter Horse Stallion |
Fiesta Stock Horses |
| Skipper Speed for Money |
2005 Chestnut Quarter Horse Stallion |
Oakfield Ranch |
| Skippers Flame Remedy |
2006 Buckskin Quarter Horse Mare |
Fiesta Stock Horses |
| Skulk 'n Sneak QHA |
2025 Red Roan Quarter Horse Mare |
Tanniques |
| Skylights Legend of Amunet |
2019 Bay Morgan Mare |
Rueath Acres |