Alchemy trainers are NPCs that offer alchemists the opportunity to train and learn recipes.
Landmass
Trainer
Location
Coordinates
Additional Information
The Maelstrom KTC Train-a-Tron Deluxe Town-In-A-Box Sky Falls Gallywix Docks The Lost Isles The Lost Isles The Lost Isles Teaches only up to Journeyman Available only to starting Goblins .
The Wandering Isle Whittler Dewei The Singing Pools The Wandering Isle Teaches only Apprentice Available only to starting Pandaren .
Elder Oakpaw Mandori Village The Wandering Isle Teaches only Apprentice Available only to starting Pandaren .
Eastern Kingdoms
Wembil Taskwidget Kharanos Dun Morogh [53.7, 52] Teaches only Apprentice
Jack "All-Trades" Derrington Duskhaven Stormglen Village Keel Harbor Gilneas Teaches only Apprentice Available only to starting Worgen .
Lien Farner Goldshire Elwynn Forest [42, 67] Teaches only Apprentice
Alchemist Mallory East of Stormwind gates
Elwynn Forest [39.8, 48.3]
Ghak Healtouch Thelsamar Loch Modan [37.0, 49.2]
Tally Berryfizz Tinker Town Ironforge [66.6, 55.2]
Lilyssia Nightbreeze Mage Quarter Stormwind [55.6, 85.9]
Jaxin Chong Booty Bay Cape of Stranglethorn [42.5, 75.9]
Therisa Sallow Calston Estate Tirisfal Glades [44.5, 53] Teaches only Apprentice
Nedric Sallow Brill Tirisfal Glades [61, 51] Teaches only Apprentice
Carolai Anise Brill Tirisfal Glades [59.5, 52.2]
Saren Falconwing Square Eversong Woods [49, 47] Teaches only Apprentice
Arcanist Sheynathren Saltheril's Haven Eversong Woods [38.0, 72.3]
Serge Hinott Tarren Mill Hillsbrad Foothills [61.6, 19.2]
Doctor Herbert Halsey The Apothecarium Undercity [47.7, 73.0]
Camberon Court of the Sun Silvermoon City [66.1, 17.4]
Kalimdor
Iranis Shadebloom Dolanaar Teldrassil [56, 52.2] Teaches only Apprentice
Cyndra Kindwhisper Dolanaar Teldrassil [57.6, 60.7]
Valn Azure Watch Azuremyst Isle [48.5, 52.2] Teaches only Apprentice
Daedal Azure Watch Azuremyst Isle [48.5, 51.5]
Alchemist Narett Theramore Isle Dustwallow Marsh [64.0, 47.7]
Kylanna Windwhisper Feathermoon Stronghold Feralas [32.6, 43.8]
Ainethil Craftsmen's Terrace Darnassus [55.0, 23.8]
Lucc The Vault of Lights The Exodar [27.5, 60.9]
Henry Stern The Murder Pens Razorfen Downs Teaches only the recipe for Mighty Troll's Blood Potion .
KTC Train-a-Tron Deluxe Bilgewater Harbor Azshara [57, 50.5] Teaches only up to Journeyman
Lalum Darkmane Bloodhoof Village Mulgore [46.5, 57.5] Teaches only Apprentice
Runda Razor Hill Durotar [53, 42] Teaches only Apprentice
Miao'zan Sen'jin Village Durotar [55.5, 74.0]
Rogvar Stonard Swamp of Sorrows [48.4, 55.7]
Yelmak Yelmak's Alchemy and Potions , the Drag Orgrimmar [55.66, 45.78]
Bena Winterhoof Middle rise Thunder Bluff [46.8, 33.5]
Outland Alchemist Gribble Honor Hold Hellfire Peninsula [39.8, 48.3]
Apothecary Antonivich Thrallmar Hellfire Peninsula [52.3, 36.4]
Aelthin Scryer's Tier Shattrath City [38.6, 71.6] Not available to members of the Aldor .
Alchemist Kanhu Aldor Rise Shattrath City [39.2, 29.3] Not available to members of the Scryers .
Lorokeem Lower City Shattrath City [45.6, 20.3]
Northrend Falorn Nightwhisper Valiance Keep Borean Tundra [57.8, 71.9]
Arthur Henslowe Warsong Hold Borean Tundra [41.8, 54.3]
Lanolis Dewdrop Valgarde Howling Fjord [58.4, 62.3]
Wilhelmina Renel Vengeance Landing Howling Fjord [78.7, 28.5]
Apothecary Bressa Agmar's Hammer Dragonblight [36.2, 48.7]
Apothecary Wormwick Venomspite Dragonblight [76.9, 62.2]
Linzy Blackbolt The Agronomical Apothecary , Magus Commerce Exchange Dalaran [42.5, 32.1]
Crystal Brightspark Argent Tournament Grounds Icecrown [71.6, 21.0]
Pandaria Poisoncrafter Kil'zit Klaxxi'vess Dread Wastes [55.6, 35.3]
Patch changes [ ] Patch 4.0.3a (2010-11-23):trainers were changed to train up to maximium level (skill level 525), eliminating any NPC trainer titles in the process. Patch 2.3.0 (2007-11-13):trainers changed to train up to Artisan level (skill level 300), and any redundant trainers in capitals changed into simple apprentices without practical function. 
Alchemy (Profession)
Patch 4.0.3a (2010-11-23): all profession trainers were changed to train up to maximium level (skill level 525), eliminating any NPC trainer titles in the process.