13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Malah Longwind8Mulgore
Pal'juh7Shadow Hunter TraineeDurotar
Bareth Dawnstone8Tirisfal Glades
Farholde MinerUnknownRiverglades
Minor Ice Elemental7–8Dun Morogh
Avala8The Lost RimeDun Morogh
Riptear13Tirisfal Glades
Decrepit Harvester8Tirisfal Glades
Angus Hammerhand12BlacksmithTirisfal Glades
Mountaineer Coalbeard30Dun Morogh
Mountaineer Sunhammer30Dun Morogh
Mountaineer Stoneanvil30Dun Morogh
The Condemned One11Tirisfal Glades
Wrathvine8Teldrassil
Nightscreech10Teldrassil
Stormherald Ukta12Mulgore
Thornstarter Igleg12Mulgore
Snarlsnout10Mulgore
Knight of Mourning55Tirisfal Glades
Ghostfang10Dun Morogh
Belanaa Windveil10High Order Cloth QuartermasterAlterac Mountains
Oura Stormspinner35Windshapers Cloth QuartermasterMulgore
Elder Finseer11Elwynn Forest
Matriarch Bristlefur10Elwynn Forest
Dustwind Eggtender12Durotar
Shal'ma9Durotar
Kirin Tor Enforcer55Alterac Mountains
Archmage Modera60Alterac Mountains
Mistmantle Prowler60Duskwood
Raul Sweete31DockmasterHillsbrad Foothills
Idrieth Mossgrove12Stormwind City
Windshaper Guardian9–10Zephras Isle
Windshaper Elementalist9–10Zephras Isle
SpoogledorfUnknownStormwind City
Swift StormsaberUnknownDarnassus
Swift Mistsaber1Darnassus
Swift Frostsaber1–2Darnassus
Swift Green MechanostriderUnknownDun Morogh
Swift Gray RamUnknownDun Morogh
Cedrik Stonequest20Ironforge

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.