 Justine Demalier | — | Stormwind City |
 JutakBlade Trader | Humanoid | — |
| Kae'la Brightsong | — | — |
| Kaela Shadowspear | Humanoid | — |
| Kaigy Maryla | — | — |
 Kaita DeepforgeBlacksmithing Supplies | Humanoid | Stormwind City |
| KalDruid Trainer | Humanoid | — |
| Kali HealtouchHerbalist | Humanoid | — |
| Kalldan Felmoon | — | — |
| Kalsey SandenChef | Humanoid | — |
 Kam Deepfury | Humanoid | — |
 Kara AdamsShield Crafter | Humanoid | — |
| Karandonna | — | Alterac Mountains |
 Karen TaylorMining and Smithing Supplies | Humanoid | Redridge Mountains |
 Karl Boran | Humanoid | — |
| Karlee Chaddis | — | Stormwind City |
 Karm IronquillMining Supplies | Humanoid | — |
| Karrina MekendaPet Trainer | Humanoid | — |
| Katherine Lee | — | Alterac Mountains |
| Katherine the PureChurch of the Holy Light | Humanoid | — |
| Kathrum AxehandAxe Merchant | Humanoid | — |
| Kaya Flathoof | Humanoid | — |
| Kaye Toogie | — | — |
 Kazan MogoshFood & Drink Merchant | Humanoid | — |
 Kebok | Humanoid | — |
| Keeper Albagorm | Humanoid | — |
| Keeper Bel'dugur | — | — |
| Kegan Darkmar | Humanoid | — |
| KeinaBowyer | Humanoid | — |
| KeldasPet Trainer | Humanoid | — |
| Keldric Boucher | — | — |
| Kelomir IronhandMaces & Staves | Humanoid | — |
| Kelsey YanceCook | Humanoid | — |
| Kelstrum StonebreakerWarrior Trainer | Humanoid | — |
| Kelv SternhammerWarrior Trainer | Humanoid | — |
 Kendor KabonkaMaster of Cooking Recipes | Humanoid | — |
 Keras WolfheartArathi Basin Battlemaster | Humanoid | — |
 Kersok ProndTradesman | Humanoid | Wetlands |
| Kerta the Bold | — | — |
 Keryn SylviusRogue Trainer | Humanoid | — |
| Khara DeepwaterFishing Supplies | Humanoid | — |
| Khardan ProudbladeWeaponsmith | Humanoid | — |
| Khelden Bremen | — | — |
| KieranWeapon Merchant | Humanoid | — |
| KilxxFisherman | Humanoid | — |
| Kim Bridenbecker | Humanoid | — |
 Kimberly HiettFletcher | Humanoid | Redridge Mountains |
| Kinelory | Humanoid | — |
| King Magni BronzebeardLord of Ironforge | Humanoid | — |
 Kira SongshineTraveling Baker | Humanoid | Elwynn Forest |
| Kirin Tor Enforcer | — | — |
| Kirin Tor Guard | — | Alterac Mountains |
| Kirk MaxwellStable Master | Humanoid | — |
| Kitta FirewindArtisan Enchanter | Humanoid | — |
| Kitz Proudbreeze | — | Alterac Mountains |
| Kitzy Werkblaster | Humanoid | — |
| KixxlePotions & Herbs | Humanoid | — |
| Kizz BluntstrikeMacecrafter | Humanoid | — |
| Klaven Mortwake | Humanoid | — |
 Klockmort Spannerspan | Humanoid | Ironforge |
| Kobold Geomancer | — | — |
 Kobold Miner | Humanoid | — |
| Kobold Tunneler | Humanoid | — |
| Kobold Vermin | Humanoid | — |
 Kobold Worker | Humanoid | — |
| Kocha | — | — |
 Kogan Forgestone | Humanoid | — |
| Kolkar Bloodcharger | Humanoid | — |
| Kolkar Marauder | Humanoid | — |
| Kolkar Pack Runner | Humanoid | — |
 Kolkar Packhound | Beast | — |
| Kolkar Stormer | Humanoid | — |
| Kolkar Wrangler | — | — |
| Korben | — | — |
| Korra | Beast | — |
 Krazek | Humanoid | — |
 Krom Stoutarm | Humanoid | — |
| Kundric Zanden | — | — |
| Kuray'bin | Humanoid | — |
| Kurdram StonehammerMining Trainer | Humanoid | — |
| Kurothel | — | — |
 Kurran SteeleCloth & Leather Armor Merchant | Humanoid | Elwynn Forest |
| Kylanna | — | — |
 KyndriBaker | Humanoid | Darkshore |
| Kyra Boucher | — | — |
| Kyra WindbladeWarrior Trainer | Humanoid | — |
| Kyrai | — | — |
 KzixxRare Goods | Humanoid | Duskwood |
| La'tanja Brightgale | — | — |
| Lady Dena Kennedy | Humanoid | — |
| Lady HoteshemArathi Basin Battlemaster | Humanoid | — |
 Lady Katrana Prestor | Dragonkin | — |
| Lady Sarevess | Humanoid | — |
| Lago Blackwrench | Humanoid | — |
 LairdFish Vendor | Humanoid | Darkshore |
| Laire Brewgold | — | — |
| LairnBanker | Humanoid | — |
| Lake Thresher | Beast | — |
 Lakeshire Guard | Humanoid | Redridge Mountains |
| Lakeshire Protector | — | — |
