| No Mercy for the Weak | 30 | Both | none known |
| Noboru the Cudgel | 29 | Both | 2,250 XP |
| Northern Kalimdor - A Comprehensive Guide | ? | Alliance | none known |
| Northfold Manor | 30 | Alliance | |
| Nostro's Compendium | 60 | Both | 24,050 XP(all 3 quests) |
| Not Dead Yet | 4 | Alliance | none known |
| Note from the Front | 45 | Both | none known |
| Notes on Draenethyst | 30 | Both | none known |
| Nothing But The Truth (4 parts) | 37 | Horde |  7,550 XP(all 4 quests) |
| Obsidian the Elder | 1 | Both | |
| Of Mice and Milk | 15 | Alliance | none known |
| Oh Brother... | 15 | Alliance | |
| Old Fire-Eye | 20 | Horde | |
| Old Habits | 23 | Alliance | |
| On Guard in Stonetalon | 17 | Alliance | 825 XP |
| On Guard in Stonetalon | 17 | Alliance |    21,700 XP45(all 15 quests) |
| One Shot. One Kill. | 10 | Alliance | 1,050 XP14 |
| Oops, We Killed Them Again. | 60 | Both | none known |
| Open the Maw | 24 | Horde | |
| Operation Recombobulation | 7 | Alliance |  850 XP |
| Operative Bijou | 55 | Horde |  19,200 XP180(all 3 quests) |
| Opportunistic Education | 24 | Horde | |
| Ormer's Revenge (3 parts) | 22 | Alliance | |
| Other Fish to Fry | 32 | Horde | 2,800 XP40 |
| Ott's Masterwork | 20 | Horde | none known |
| Our Ancient Enemy | 4 | Horde | none known |
| Outcast Necromancers | 30 | Alliance | none known |
| Outing Outcasts | 30 | Both | none known |
| Outrider Advanced Care Package | 45 | Horde | 650 XP |
| Outrider Basic Care Package | 25 | Horde | 270 XP |
| Outrider Standard Care Package | 35 | Horde | 380 XP |
| Overlord Mok'Morokk's Concern | 38 | Horde | 4,450 XP |
| Overmaster Pyron | 48 | Alliance |    10,900 XP240(all 2 quests) |
| Owatanka | 10 | Horde | 1,450 XP |
| Package for Thurman | 1 | Alliance | 130 XP |
| Packaged Pristine Pelts | 27 | Alliance | |
| Page from the Front | 45 | Both | none known |
| Palomino Exchange | 60 | Alliance | |
| Paragons of Power: The Augur's Belt | 60 | Both | 6,500 XP |
| Paragons of Power: The Augur's Bracers | 60 | Both | 6,500 XP |
| Paragons of Power: The Augur's Hauberk | 60 | Both | 9,550 XP |
| Paragons of Power: The Confessor's Bindings | 60 | Both | 6,500 XP |
| Paragons of Power: The Confessor's Mantle | 60 | Both | 6,500 XP |
| Paragons of Power: The Confessor's Wraps | 60 | Both | 6,500 XP |
| Paragons of Power: The Demoniac's Mantle | 60 | Both | 9,550 XP |
| Paragons of Power: The Demoniac's Robes | 60 | Both | 9,550 XP |
| Paragons of Power: The Demoniac's Wraps | 60 | Both | 9,550 XP |
| Paragons of Power: The Freethinker's Armguards | 60 | Both | |
| Paragons of Power: The Freethinker's Belt | 60 | Both | |
| Paragons of Power: The Freethinker's Breastplate | 60 | Both | |