| Samantha & Mr Tigger | Unknown | DaytonaBeach,Florida | USA |
| Sammy | Unknown | SanAntonio,Texas | USA |
| Samson | American Shorthair | Everett | USA |
| Samson & Delilah | Tortoiseshell & Tuxedo | Montreal,Quebec | Canada |
| Sara | European Shorthair | Norrkoping | Sweden |
| Sasha | Coon | NewYork | USA |
| Scrubby | Unknown | Raleigh,NorthCarolina | USA |
| Seamus F. O'Reilly, II | Russian Blue | Lynnwood,Washington | USA |
| Seamus Finnegan O'Reilly, II | Russian Blue | Seattle,Washington | USA |
| Serenity | Coon | California | USA |
| Shabby | Mixed | Malaysia | Malaysia |
| Shadow,Ivan & Illyana | Unknown | Oklahoma | USA |
| Sherkhan | Ragdoll | Melbourne | Australia |
| Simone | Balinese | Arizona | USA |
| Sir Tristan Tabby Cat Longtail | Tabby & White Domestic Shorthair | CapeCoral,Florida | USA |
| Skitto | Tabby | SouthBend,Indiana | USA |
| Skye | Birman | Kansas | USA |
| Sniffie and the Florida Furkids | Tabby | SatelliteBeach,Florida | USA |
| Sondag | Unknown | Carolina | Puerto Rico |
| Sookie & Indra | Unknown | California | USA |
| SoxyCat | | Auckland | New Zealand |
| Sparkle | Somali | LosAngeles,California | USA |
| Spooky | Domestic | Markham,Ontario | Canada |
| Spunky Doodle | Tuxeo | Parma,Ohio | USA |
| Spyder, Ninja and Bambi | Various | California | USA |
| Stellaluna | Domestic Shorthair | SanJosé | Costa Rica |
| Sukie | Bitza | Yorkshire | England |
| Supermercado Gato | Siamese | Illinois | USA |
| Sweet Praline | Persian | Lexington,SouthCarolina | USA |
