 Lakota'mani | Beast | — |
 Lalina SummermoonJourneyman Enchanter | Humanoid | — |
 Lamar VeisilliFruit Seller | Humanoid | Redridge Mountains |
| LandriaBow Merchant | Humanoid | — |
 Lara Moore | — | Stormwind City |
| LardanLeatherworking Supplies | Humanoid | — |
| Large Crag Boar | Beast | — |
| LariiaPriest Trainer | Humanoid | — |
 Larimaine PurduePortal Trainer | Humanoid | Stormwind City |
| Laris Geardawdle | Humanoid | — |
| Larkin Smokethorn | — | — |
 Lars | Humanoid | — |
 Lashtail Raptor | Beast | — |
| Laughing Sister | Humanoid | — |
| Laurna MorninglightPriest Trainer | Humanoid | — |
| Lava Crab | Critter | — |
 Lawrence SchneiderJourneyman Tailor | Humanoid | Stormwind City |
| League of Arathor Elite | Humanoid | — |
| Lee BrownFisherman | Humanoid | — |
 Leech Stalker | Beast | — |
| Lelanai | — | — |
| Lenny "Fingers" McCoy | Humanoid | — |
| Leo | Non-combat Pet | — |
 Leper Gnome | Humanoid | Dun Morogh |
| Liam | — | — |
| Librarian Mae PaledustExplorers' League | Humanoid | — |
| Lieutenant Fangore | — | — |
| Lieutenant Farren Orinelle | — | Hillsbrad Foothills |
| Lieutenant Haggerdin | Humanoid | — |
| Lieutenant JackspringReagent Vendor | Humanoid | — |
| Lieutenant KarterMount Vendor | Humanoid | — |
| Lieutenant Rachel Vaccar | Humanoid | — |
 Lieutenant RotimerStormpike Guard Recruitment Officer | Humanoid | Ironforge |
| Lightning | Unspecified | — |
| Lil TimmyBoy with kittens | Humanoid | — |
| Liladris Moonriver | Humanoid | — |
 Lilliam SparkspindleExpert Engineer | Humanoid | Stormwind City |
| Lilly | — | — |
| Lily | — | — |
| Lilyn Darkriver | — | — |
| Lilyssia Nightbreeze | — | — |
| Lina HearthstoveStable Master | Humanoid | — |
| Lina Stover | — | — |
| Lindea Rabonne | — | — |
 Lindsay AshlockGeneral Supplies | Humanoid | Redridge Mountains |
| Linna Bruder | — | — |
| Linzy Blackbolt | — | Alterac Mountains |
 Lisa | Humanoid | — |
 Lisan Pierce | Humanoid | Stormwind City |
| Lisbeth Schneider | — | — |
| Lissyphus FinespindleLight Armor Merchant | Humanoid | — |
| Liv RizzlefixWorkshop Assistant | Humanoid | — |
| Living Flame | — | — |
| Lizi Silverstone | — | — |
| LizzarikWeapon Dealer | Humanoid | — |
| LlanaReagent Supplies | Humanoid | — |
 Llane BeshereWarrior Trainer | Humanoid | — |
 Loch Frenzy | Beast | — |
| Locke Okarr | Humanoid | — |
| Loh'atu | Humanoid | — |
 Lohgan EvaTailoring Supplies | Humanoid | — |
 Lomac Gearstrip | Humanoid | Ironforge |
 Longbraid the Grim | Humanoid | — |
| Longsnout | Beast | — |
| Lord Baurles K. WishockHouse of Nobles | Humanoid | — |
 Lord Ello EbonlockeMayor of Darkshire | Humanoid | — |
 Lord Grayson ShadowbreakerPaladin Trainer | Humanoid | — |
| Lord Gregor Lescovar | Humanoid | — |
| Lord Mayor MorrisonPyrewood Council Leader | Humanoid | — |
| Lord Tomas | Humanoid | — |
| Lord Tony RomanoRogue Trainer | Humanoid | — |
| Loremaster Dibbs | — | Hillsbrad Foothills |
| Lorgus Jett | Humanoid | — |
| Loslor RudgeEngineering Supplies | Humanoid | — |
| Lost Barrens Kodo | Beast | — |
| Lost Defender | Humanoid | — |
| Lost Knight | Humanoid | — |
| Lost One Muckdweller | Humanoid | — |
| Lost Watcher | Humanoid | — |
 Lost Whelp | Dragonkin | — |
| Lotherias | Humanoid | — |
| Low Plains Buzzard | — | — |
 Lucan CordellExpert Enchanter | Humanoid | — |
| Lucian Trias | — | — |
| Lucius | Humanoid | — |
 Lulu | Critter | — |
| Lumberjack | Humanoid | — |
| Luna | — | — |
 Lupine Delusion | Undead | — |
| Lupine Horror | Undead | — |
| Lyesa SteelbrowGuild Tabard Vendor | Humanoid | — |
| LylandrisWarsong Gulch Battlemaster | Humanoid | — |
| Lyon Mountainheart | Humanoid | — |
| LyraiGeneral Supplies | Humanoid | — |
| Lyreena DuskbladeAdventurer | Humanoid | — |
 Lyria Du LacWarrior Trainer | Humanoid | — |
| LysheanaGuild Master | Humanoid | — |
 Ma Stonefield | Humanoid | Elwynn Forest |
 Mabel SolajGeneral Goods Vendor | Humanoid | — |
| Mad Magglish | — | — |
