|  | Old Toolbox Common · Bag · Bag | 35 | | Bag | Bag | Common | | 50 silver |
|  | Old Wagonwheel Poor · Junk | 1 | | Junk | | Poor | | 4 copper |
|  | Old Whistle of the Ivory Raptor Common · Junk | 40 | 40 | Junk | | Common | | |
| | Old Whistle of the Obsidian Raptor Common · Junk | 40 | 40 | Junk | | Common | | |
|  | Olgra's Adornments Common · Quest | 1 | | Quest | | Common | | |
|  | Olvek's Guide to Tinctures, Tonics, and Toxins Common · Quest | 1 | | Quest | | Common | | |
|  | Omarion's Handbook Common · Junk | 60 | 60 | Junk | | Common | | |
|  | Ombassa's Hide Common · Quest | 1 | | Quest | | Common | | |
|  | Ominous Tome Common · Junk | 1 | 1 | Junk | | Common | | |
| | Ominous Tome Common · Junk | 1 | 1 | Junk | | Common | | |
| | Ominous Tome Common · Junk | 1 | 1 | Junk | | Common | | |
| | Ominous Tome Common · Junk | 1 | 1 | Junk | | Common | | |
|  | Omnuron's Spear Common · Quest | 60 | | Quest | | Common | | |
|  | Omokk's Head Common · Quest | 1 | | Quest | | Common | | |
|  | Once Used Shoe Poor · Junk | 1 | | Junk | | Poor | | 7 copper |
|  | One "Gerenzo", of Stonetalon Common · Quest | 1 | 1 | Quest | | Common | | |
|  | Oneiric Epiphany Uncommon · Other | 60 | 1 | Other | | Uncommon | | |
|  | Onin's Report Common · Quest | 1 | 1 | Quest | | Common | | |
|  | Onu's Patience Rare · Miscellaneous · Held In Off-hand | 21 | | Miscellaneous | Held In Off-hand | Rare | | |
|  | Onyx Choker Uncommon · Miscellaneous · Neck | 46 | 41 | Miscellaneous | Neck | Uncommon | | 65 silver 7 copper |
|  | Onyx Embedded Leggings Epic · Mail · Legs | 77 | 60 | Mail | Legs | Epic | | 9 gold 23 silver 11 copper |
|  | Onyx Idol Rare · Quest | 61 | | Quest | | Rare | | |
|  | Onyx Ring Uncommon · Miscellaneous · Finger | 46 | 41 | Miscellaneous | Finger | Uncommon | | 30 silver 92 copper |
|  | Onyxia Blood Talisman Epic · Miscellaneous · Trinket | 65 | | Miscellaneous | Trinket | Epic | | 4 gold 60 silver 30 copper |
|  | Onyxia Hide Backpack Uncommon · Bag · Bag | 55 | | Bag | Bag | Uncommon | | 87 silver 50 copper |
|  | Onyxia Scale Breastplate Epic · Mail · Chest | 62 | 57 | Mail | Chest | Epic | Crafted | 4 gold 19 silver 37 copper |
|  | Onyxia Scale Cloak Rare · Cloth · Back | 60 | 55 | Cloth | Back | Rare | Crafted | 1 gold 51 silver 98 copper |
|  | Onyxia Tooth Pendant Epic · Miscellaneous · Neck | 65 | | Miscellaneous | Neck | Epic | | 67 silver 14 copper |
|  | Ooze-covered Bag Common · Bag · Bag | 25 | | Bag | Bag | Common | | 12 silver 50 copper |
|  | Oozing Bag Common · Junk | 50 | | Junk | | Common | | |
|  | Oozing Eye Uncommon · Quest | 50 | | Quest | | Uncommon | | |
|  | Opal Runestone Common · Quest | 1 | | Quest | | Common | | |
|  | Opaline Medallion Uncommon · Miscellaneous · Neck | 57 | | Miscellaneous | Neck | Uncommon | | 77 silver 83 copper |
|  | Opera Ticket Rare · Junk | 1 | 1 | Junk | | Rare | | |
|  | Optomatic Deflector Uncommon · Shield · Shield | 51 | | Shield | Shield | Uncommon | | 1 gold 59 silver 88 copper |
|  | Opulent Scepter Uncommon · Miscellaneous · Held In Off-hand | 56 | 51 | Miscellaneous | Held In Off-hand | Uncommon | | 96 silver 14 copper |
|  | Or'Kalar's Head Common · Quest | 1 | | Quest | | Common | | |
|  | Oracle Crystal Common · Quest | 1 | | Quest | | Common | | |
|  | Orange Dye Common · Other | 35 | | Other | | Common | | 2 silver 50 copper |
|  | Orange Hakkari Bijou Rare · Quest | 61 | 58 | Quest | | Rare | | |
|  | Orange Mageweave Shirt Common · Miscellaneous · Shirt | 43 | | Miscellaneous | Shirt | Common | Crafted | 15 silver |
| | Orange Martial Shirt Common · Miscellaneous · Shirt | 40 | | Miscellaneous | Shirt | Common | Crafted | 15 silver |
|  | Orange Murloc Egg Common · Junk | 20 | | Junk | | Common | | |
|  | Orb Fragments Common · Quest | 1 | 1 | Quest | | Common | | |
|  | Orb of Corruption Uncommon · Other | 1 | 1 | Other | | Uncommon | | |
|  | Orb of Dar'Orahil Rare · Miscellaneous · Held In Off-hand | 40 | | Miscellaneous | Held In Off-hand | Rare | | 50 silver |
|  | Orb of Des Common · Quest | 1 | 1 | Quest | | Common | | |
|  | Orb of Draconic Energy Common · Quest | 1 | | Quest | | Common | | |
| | Orb of Fire Uncommon · Miscellaneous · Trinket | 46 | | Miscellaneous | Trinket | Uncommon | | 39 silver 87 copper |
|  | Orb of Mystic Insight Rare · Miscellaneous · Held In Off-hand | 30 | 25 | Miscellaneous | Held In Off-hand | Rare | Crafted | 4 silver 99 copper |
