I found the weapon trainer information on Google and decided to post it here for those who search the forums first.
Ilyenia Moonfire | Warrior's Terrace | Darnassus
Daggers, Fist Weapons, Staves, Bows, Thrown Weapons
Buliwyf Stonehand | Military Ward | Ironforge
Guns, Axes, Maces, Fist Weapons
Bixi Wobblebonk | Military Ward | Ironforge
Daggers, Crossbows, Thrown Weapons
Woo Ping | Trade District | Stormwind
Crossbows, Daggers, Swords, Polearms, Staves
Handiir | Traders' Tier | the Exodar
Crossbows, Daggers, Swords, Maces
Hanashi | Valley of Honor | Orgrimmar
Bows, Thrown Weapons, Axes, Staves
Sayoc | Valley of Honor | Orgrimmar
Bows, Thrown Weapons, Axes, Staves, Daggers, Fist Weapons
Ansekhwa | Lower Rise | Thunder Bluff
Guns, Maces, Staves
Archibald | War Quarter | Undercity
Crossbows, Daggers, Swords, Polearms
Duelist Larenis | Falconwing Square | Eversong Woods
Daggers, Swords, Bows, Polearms
Ileda | Farstriders' Square | Silvermoon
Daggers, Swords, Bows, Thrown Weapons, Polearms
