 Skuerto | Humanoid | Arathi Highlands |
 Slave Worker | Humanoid | — |
 Slavering Ember Worg | Beast | — |
| Slavering Worg | Beast | — |
 Sleeby | Humanoid | — |
 Slim's Friend | Humanoid | Wetlands |
| Slimeshell Makrura | Humanoid | — |
 Sloan McCoyPoison Supplier | Humanoid | — |
| Sly GarrettShady Goods | Humanoid | — |
 Smith ArgusJourneyman Blacksmith | Humanoid | — |
| Snake | Critter | — |
 Snake | — | — |
| Snapjaw | — | — |
| Snapjaw Crocolisk | Beast | — |
| Snapping Crustacean | Beast | — |
 Snow Leopard | Beast | — |
 Snow Tracker Wolf | Beast | Dun Morogh |
| Snowshoe Rabbit | — | — |
 Sognar CliffbeardMeat Vendor | Humanoid | Ironforge |
| Soleil StonemantleBanker | Humanoid | — |
| Solus | — | — |
| Son of Arugal | — | — |
| Son of Arugal | Humanoid | — |
| Son of Cenarius | Humanoid | — |
| Soolie BerryfizzAlchemy Supplies | Humanoid | — |
| Sorcerer Ashcrombe | Humanoid | — |
| Southsea Brigand | Humanoid | — |
| Southsea Cannoneer | Humanoid | — |
| Southshore Crier | — | — |
| Southshore Guard | — | Hillsbrad Foothills |
 Spackle ThornberryDemon Trainer | Humanoid | Stormwind City |
| Spectral Bear Cub | — | — |
| Spellweaver Thaldris | — | Alterac Mountains |
| Spider | Critter | — |
| Spined Crawler | Beast | — |
 Spirit Healer | Humanoid | Hillsbrad Foothills |
 Splinter Fist Ogre | Humanoid | — |
| Splintertree Guard | Humanoid | — |
| Springspindle FizzlegearArtisan Engineer | Humanoid | — |
| Sprite JumpsprocketJourneyman Engineer | Humanoid | — |
| Sprogger | Humanoid | — |
| Sprout | — | — |
| SputtervalveTinkers' Union | Humanoid | — |
| Squire Rowe | — | Stormwind City |
| Squirrel | — | Stormwind City |
| SraazPie Vendor | Humanoid | — |
| Stalker | Unspecified | — |
| Stalker | Humanoid | — |
| Stalker | Unspecified | — |
| Stalker | Humanoid | — |
 Stalvan Mistmantle | Undead | Duskwood |
| Stanley | — | — |
 Starving Dire Wolf | Beast | Duskwood |
| Starving Mountain Lion | — | Hillsbrad Foothills |
| Steamwheedle Courier | Humanoid | — |
| Stefan Cotter | — | Alterac Mountains |
| Sten Stoutarm | — | — |
| Stephanie Turner | — | Stormwind City |
| Stephen RybackCooking Trainer | Humanoid | — |
| Steven | — | — |
 Steven BlackStable Master | Humanoid | Duskwood |
| Steven Lohan | Humanoid | — |
 StitchesGift from the Embalmer | Undead | Duskwood |
| Stockade Archer | Humanoid | — |
| Stockade Guard | Humanoid | — |
| Stonard Scout | — | — |
 Stondry DarkhammerBlacksmith | Humanoid | Redridge Mountains |
 Stone Behemoth | Elemental | — |
| Stone Maw Basilisk | Beast | — |
| Stoneclaw Totem | Totem | — |
| Stoneclaw Totem II | Totem | — |
| Stoneclaw Totem III | Totem | — |
| Stoneskin Totem | Totem | — |
| Stoneskin Totem II | — | — |
| Stoneskin Totem III | Totem | — |
| Stonesplinter Bonesnapper | Humanoid | — |
| Stonesplinter Scout | Humanoid | — |
| Stonesplinter Shaman | Humanoid | — |
| Stonesplinter Skullthumper | Humanoid | — |
| Stonesplinter Trogg | Humanoid | — |
| Stonetalon Wyvern stalker | Unspecified | — |
| Stonetusk Boar | Beast | — |
| Stormhide | Beast | — |
| Stormpike Battleguard | Humanoid | — |
| Stormpike Mountaineer | Humanoid | — |
| Stormscale Warrior | — | — |
| Stormsnout | Beast | — |
| Stormwind Cannoneer | Humanoid | — |
| Stormwind City Defender | Humanoid | — |
| Stormwind City Guard | — | Elwynn Forest, Stormwind City |
| Stormwind City Patroller | — | Stormwind City |
| Stormwind Dock Worker | Humanoid | — |
 Stormwind Guard | Humanoid | Elwynn Forest |
 Stormwind Harbor Guard | Humanoid | — |
| Stormwind Orphan | Humanoid | — |
| Stormwind Royal Guard | Humanoid | — |
 Strahad Farsan | Humanoid | — |
 Stranglethorn Raptor | Beast | — |
 Stranglethorn Tiger | Beast | — |
| Stranglethorn Tigress | Beast | — |
