13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Wu Shen50Warrior TrainerStormwind City
Ilsa Corbin40Warrior TrainerStormwind City
Thistleshrub Dew Collector47–48Tanaris
Stephen Ryback35Cooking TrainerStormwind City
Erika Tate30Cooking SupplierStormwind City
Brother Benjamin40Priest TrainerStormwind City
Thistleshrub Rootshaper49–50Tanaris
Brother Joshua50Priest TrainerStormwind City
Gnarled Thistleshrub48–49Tanaris
Arthur the Faithful40Paladin TrainerStormwind City
Katherine the Pure50Church of the Holy LightStormwind City
Arnold Leland35Fishing TrainerStormwind City
Catherine Leland30Fishing SupplierStormwind City
Ursula Deline40Warlock TrainerStormwind City
Sandahl50Warlock TrainerStormwind City
Jennea Cannon40Mage TrainerStormwind City
Elsharin50Mage TrainerStormwind City
Lilyssia Nightbreeze35Expert AlchemistStormwind City
Tel'Athir31Journeyman AlchemistStormwind City
Kaerbrus57Hunter TrainerFelwood
Shylamiir35Herbalism TrainerStormwind City
Eldraeith30Herbalism SupplierStormwind City
Sheldras Moontree60Druid TrainerStormwind City
Theridran50Druid TrainerStormwind City
Maldryn40Druid TrainerStormwind City
Strumner Flintheel40Armor CrafterBlasted Lands
Kathrum Axehand30Axe MerchantStormwind City
Thulman Flintcrag30Guns VendorStormwind City
Therum Deepforge33Expert BlacksmithStormwind City
Kaita Deepforge30Blacksmithing SuppliesStormwind City
Gelman Stonehand35Mining TrainerStormwind City
Brooke Stonebraid30Mining SupplierStormwind City
Einris Brightspear60Hunter TrainerStormwind City
Ulfir Ironbeard50Hunter TrainerStormwind City
Thorfin Stoneshield40Hunter TrainerStormwind City
Lilliam Sparkspindle35Expert EngineerStormwind City
Billibub Cogspinner30Engineering SupplierStormwind City
Spackle Thornberry40Demon TrainerStormwind City
War Party Kodo29Thousand Needles
Clarice Foster17Thunder Bluff

Classic reference data from QuestieDB (Forever data, commit c5de61a), with positions on Forever's zone maps. It doesn't confirm that an NPC, location, quest or item is in Forever.