 Omokk's Head#12534 · Quest items | 1 | — | No equipment slot | Common |
 Fist of Omokk#13167 · Weapons | 60 | 55 | Two-hand | Rare |
 Ominous Dagger#36671 · Weapons | 138 | 69 | Main hand | Uncommon |
 Omen of Ruin#39427 · Weapons | 200 | 80 | One-hand | Epic |
 Omega Rune#38708 · Quest items | 1 | — | No equipment slot | Common |
| Omega Rune#38709 · Quest items | 1 | — | No equipment slot | Common |
 Omega Orb#7749 · Armor | 41 | — | Held in off-hand | Uncommon |
 NPC Equip 44964#44964 · Consumables | 0 | — | No equipment slot | Poor |
 Omar's Gem of POWAH#34835 · Gems | 0 | — | No equipment slot | Epic |
 Omarion's Handbook#22719 · Miscellaneous | 60 | 60 | No equipment slot | Common |
 NPC Equip 49666#49666 · Weapons | 0 | — | Two-hand | Poor |
 Gramma Stonefield's Note#1252 · Quest items | 1 | — | No equipment slot | Common |
 NPC Equip 33456#33456 · Keys | 0 | — | No equipment slot | Poor |
 Oilskin Leggings#9414 · Armor | 46 | 40 | Legs | Rare |
 Oily Blackmouth#6358 · Trade goods | 15 | — | No equipment slot | Common |
 Oilrag Handwraps#16741 · Armor | 31 | — | Hands | Uncommon |
 Olemba Root#25863 · Quest items | 1 | — | No equipment slot | Common |
 Olemba Seed#25745 · Quest items | 1 | — | No equipment slot | Common |
 OLDMonster - Hands, Plate Silver#3245 · Armor | 1 | 1 | Hands | Poor |
 Oil-stained Cloak#3153 · Armor | 9 | — | Back | Common |
 Oil-Stained Tarp#38354 · Armor | 150 | 74 | Back | Rare |
 Oil Covered Fish#6458 · Consumables | 15 | 5 | No equipment slot | Common |
 Olakin's Enchanted Torch#43893 · Weapons | 174 | — | Ranged | Uncommon |
 Olakin's Right Arm#43529 · Quest items | 1 | — | No equipment slot | Common |
 Olakin's Torso#43526 · Quest items | 1 | — | No equipment slot | Common |
 Olakin's Left Arm#43528 · Quest items | 1 | — | No equipment slot | Common |
| Olakin's Torch#43524 · Quest items | 1 | — | No equipment slot | Common |
 Olakin's Legs#43527 · Quest items | 1 | — | No equipment slot | Common |
 Olaf's All Purpose Shield#9404 · Armor | 42 | 37 | Shield | Rare |
 Warsong Oil#16744 · Quest items | 1 | — | No equipment slot | Common |