| Of Motes and Husks
| 80 | 80
| | | 23 40
| K'aresh |
| Of Myth and Fable
| 50 | 50
| | | 2 34
| The Pride of Kul Tiras |
| Of No Consequence
| 5 | 5-30
| | | | Silverpine Forest |
| Of Pacts and Patrons
| 80 | 80
| | | | Azj-Kahet |
| Of the Cloth, of the Community
| 10 | 10-70
| | | | Iskaara Tuskarr |
| Of Their Own Design
| 7 | 7-30
| | | | Ashenvale |
| Of Thistleheads and Eggs...
| 25 | 25-30
| | | | Shadowmoon Valley (Outland) |
| Of Traitors and Treason
| 15 | 15-30
| | | | Dragonblight |
| Of Traitors and Treason
| 15 | 15-30
| | | | Dragonblight |
| Of Utmost Importance
| 30 | 30-35
| | | 13 74
| Twilight Highlands |
| Of Wind and Water
| 20 | 20-70
| | | | Ohn'ahran Plains |
| Of Wolves and Warriors
| 10 | 10-40
| | | 12 73
| Frostfire Ridge |
Off the Page
Daily | 10 | 10-70
| | | 14 4
| Little Scales Daycare |
| Off the Scales
| | 1-30
| | | 10 50
| Tirisfal Glades |
| Off The Wall
| 30 | 30-35
| | | 13 74
| Twilight Highlands |
| Off the Wall!
| 20 | 20-35
| | | 13 74
| Kun-Lai Summit |
| Off To Adventure!
| 10 | 10-45
| | | 2 2
| Artifact |
| Off To Area 52
| 25 | 25-30
| | | 2 62
| Netherstorm |
| Off to Court
| 45 | 45
| | | 20 22
| Rogue Campaign |
| Off to the Bank
| | 1-20
| | | | Kezan |
| Off to the Bank
| | 1-20
| | | | Kezan |
| Off to the Track
| 10 | 10-70
| | | | Zaralek Cavern |
| Off With Her Head
| 20 | 20-60
| | | 51 48
| Nazmir |
| Off With Their Black Wings
| 25 | 25-30
| | | 10 50
| The Storm Peaks |
| Offensive Behavior
| 10 | 10-54
| | | 25 74
| Maldraxxus |
| Offensive Counter
| 78 | 78-80
| | | 28 9
| Azj-Kahet |
| Offensively Defensive
| 10 | 10-60
| | | 25 74
| Zuldazar |
| Offer of Freedom
| 10 | 10-58
| | | 38 61
| Revendreth |
| Offer of Power
| 20 | 20-60
| | | 2 57
| Nazmir |
| Offering for the Loa
| 30 | 30-60
| | | 12 87
| Vol'dun |
| Offering Thanks
| 25 | 25-30
| | | 1 5
| The Storm Peaks |
| Offerings for the Well
| 70 | 70
| | | 14 4
| Emerald Dream |
| Offerings to G'huun
| 35 | 35-60
| | | 25 74
| Alliance War Campaign |
| Official Assessment
| 10 | 10-30
| | | | Desolace |
Off-the-Books Brawlin'
Daily | 10 | 10-60
| | | | Mechagon |
Off-the-Books Brawlin'
Daily | 10 | 10-60
| | | 25 74
| Mechagon |
| Oglok the Furious
| | | | | | |
| Ogre Abduction
| 15 | 15-30
| | | 10 50
| Feralas |
| Ogre Abduction
| 15 | 15-30
| | | 10 50
| Feralas |
Ogre Ancestry
Daily | 10 | 10-40
| | | 67 92
| Bloodmaul Slag Mines |
| Ogre Bashin'
| 30 | 30-35
| | | 13 74
| Twilight Highlands |
| Ogre Combat
| 15 | 15-30
| | | 10 50
| Blasted Lands |
| Ogre Diplomacy
| 20 | 20-40
| | | 16 98
| Talador |
| Ogre Diplomacy
| 20 | 20-40
| | | 16 98
| Talador |
| Ogre Heaven
| 20 | 20-30
| | | | Blade's Edge Mountains |
| Ogre in the Field
| 15 | 15-30
| | | 1 5
| Dire Maul |
| Ogre Invasion!
| 40 | 40
| | | | Garrison Support |
| Ogre Invasion!
| 40 | 40
| | | | Garrison Support |
| Ogre Onslaught
| 40 | 40
| | | 33 96
| Garrison Campaign |
| Ogre Thieves
| 10 | 10-30
| | | 10 50
| Duskwood |
| Ogre Waygate
| | | | | | |
| Ogre Waygate
| | | | | | |
| Ogre Waygate
| | | | | | |
| Ogre Waygate
| | | | | | |
| Ogre Waygate
| | | | | | |
| Ogre Waygate
| | | | | | |
| Ogre Waygate
| | | | | | |
| Ogre Waygates
| 10 | 10-40
| | | 16 98
| Garrison Support |
| Ogres & Ettins
| 30 | 30-35
| | | 13 74
| Twilight Highlands |
| Ogres & Ettins
| 30 | 30-35
| | | 13 74
| Twilight Highlands |
Ogrezonians in the Mood
Daily | 30 | 30-35
| | | | Jewelcrafting |
Ogrezonians in the Mood
Daily | 30 | 30-35
| | | | Jewelcrafting |
Ogudei's Lieutenants
Daily | 15 | 15-35
| | | 13 74
| Landfall |
Ogudei's Lieutenants
Daily | 15 | 15-35
| | | 13 74
| Landfall |
| Oh Doloria, My Sweet Doloria
| 45 | 45
| | | | Dalaran |
| Oh Great... Plagued Magnataur!
| 10 | 10-30
| | | 10 50
| Borean Tundra |
| Oh No, Ohn'ahra!
| 20 | 20-70
| | | 56 18
| Ohn'ahran Plains |
| Oh Noes, the Tadpoles!
| 10 | 10-30
| | | 10 50
| Borean Tundra |
| Oh Sheepie...
| 15 | 15-35
| | | 13 74
| Valley of the Four Winds |
| Oh Where, Oh Where Can He Be?
| | 1
| | | | Battle Pets |
Oh! So Powerful!
Weekly | | | | | | Dalaran |
| Oh, Deer!
| 30 | 30-35
| | | 13 74
| Mount Hyjal |
| Oh, It's Real
| 15 | 15-30
| | | | Dustwallow Marsh |
| Oh, Ominitron
| 45 | 45
| | | | Stormheim |
| Oh, Rats!
| 80 | 80
| | | 23 40
| Undermine |
| Oh, Ship!
| 45 | 45
| | | | Stormheim |
| Oh, Ship!
| 45 | 45
| | | | Stormheim |
| Oh, the Clawdacity!
| 10 | 10-45
| | | 20 22
| Highmountain |
| Oh, the Insanity!
| 30 | 30-35
| | | 13 74
| Kelp'thar Forest |
| Oh, the Tangled Webs They Weave
| | 1-30
| | | 10 50
| Bloodmyst Isle |
| Ohanzee the Elder
| | 1
| | | | Lunar Festival |
| Ohn'ahran Banners
| 10 | 10-70
| | | | Ohn'ahran Plains |
| Ohn'ahran Plains
| 10 | 10-70
| | | 2 80
| Ohn'ahran Plains |
| Ohn'ahran Plains Rally
| 10 | 10-70
| | | | Ohn'ahran Plains |
| Ohn'ir Elder
| | 1
| | | | Lunar Festival |
Oi Ain't Afraid o' No Ghosts!
Daily | 15 | 15-35
| | | 13 74
| Landfall |
| Oil and Irony
| 15 | 15-30
| | | 10 50
| Felwood |
| Oil Rags to Riches
| 45 | 45
| | | | Engineering |
| Oil Stop
| 20 | 20-35
| | | 13 74
| Kun-Lai Summit |
| Oily Mess
| 50 | 50
| | | | Stormsong Valley |
| Oily Mess
| 50 | 50
| | | | Stormsong Valley |
| Okrilla and the Blasted Lands
| 15 | 15-30
| | | 1 5
| Blasted Lands |
| Okrilla's Revenge
| 10 | 10-40
| | | 16 98
| Blasted Lands |
Okrut Dragonwaste
Daily | | 1
| | | 28 9
| Battle Pets |
| Ol' Blasty
| 10 | 10-30
| | | 10 50
| The Cape of Stranglethorn |
| Olaf, the Big Fella'
| 15 | 15-30
| | | | Badlands |
| Old Age and Treachery
| 30 | 30-35
| | | 13 74
| Dread Wastes |
| Old Allies
| 50 | 50
| | | 11 70
| Horde War Campaign |
| Old Allies
| 50 | 50
| | | 11 70
| Horde War Campaign |
| Old Colleagues
| 50 | 50
| | | 51 48
| Horde War Campaign |
