| Olisarra the KindNPC #249892 | Unknown | Normal | Identity record |
| Olothil StarlanceNPC #108328 | Unknown | Normal | Identity record |
| Omasum BlighthoofNPC #45867 | Unknown | Normal | Identity record |
| Onslaught FootmanNPC #27203 | Unknown | Normal | Identity record |
| Onslaught FootmanNPC #27405 | Unknown | Normal | Identity record |
| Onslaught FootmanNPC #27406 | Unknown | Normal | Identity record |
| Onslaught FootmanNPC #111025 | Unknown | Normal | Identity record |
| Onslaught GryphonNPC #29403 | Unknown | Normal | Identity record |
| Onslaught PaladinNPC #29329 | Unknown | Normal | Identity record |
| Onslaught WorkmanNPC #27207 | Unknown | Normal | Identity record |
| Onslaught WorkmanNPC #111028 | Unknown | Normal | Identity record |
| Opal StonethrowerNPC #43586 | Unknown | Normal | Identity record |
| Opal StonethrowerNPC #44124 | Unknown | Normal | Identity record |
| Orange Spot LightNPC #250022 | Unknown | Normal | Identity record |
| Orchid StagbeetleNPC #186050 | Beast | Normal | Identity record |
| Orgrimmar SoldierNPC #91755 | Unknown | Normal | Identity record |
| Orgrimmar SoldierNPC #99204 | Unknown | Normal | Identity record |
| Orix the All-SeerNPC #128134 | Unknown | Normal | Identity record |
| Orix the All-SeerNPC #128165 | Unknown | Normal | Identity record |
| Orlana StrongbrowNPC #78428 | Unknown | Normal | Identity record |
| Orlana StrongbrowNPC #78465 | Unknown | Normal | Identity record |
| Orlana StrongbrowNPC #78702 | Unknown | Normal | Identity record |
| Orlana StrongbrowNPC #78708 | Unknown | Normal | Identity record |
| Osca the BloodiedNPC #141239 | Beast | Normal | Identity record |
| Osul Fire-WarriorNPC #63576 | Unknown | Normal | Identity record |
| Osul SpearthrowerNPC #60414 | Unknown | Normal | Identity record |
| Osul TreelauncherNPC #60483 | Unknown | Normal | Identity record |
| Osul TreelauncherNPC #65763 | Mechanical | Special | Identity record |
| Outcast DarktalonNPC #75337 | Unknown | Normal | Identity record |
| Outcast DarktalonNPC #75523 | Unknown | Normal | Identity record |
| Outcast DarktalonNPC #75582 | Unknown | Normal | Identity record |
| Outcast DarktalonNPC #75594 | Unknown | Normal | Identity record |
| Outcast DarktalonNPC #75635 | Unknown | Normal | Identity record |
| Outcast DarktalonNPC #75636 | Unknown | Normal | Identity record |
| Outcast DarktalonNPC #88763 | Unknown | Normal | Identity record |
| Outpost AssemblerNPC #136273 | Unknown | Normal | Identity record |
| Outpost AssemblerNPC #139977 | Unknown | Normal | Identity record |
| Overseer AlexczarNPC #164883 | Unknown | Normal | Identity record |
| Overseer Kah-Sher<Will of the Arbiter> · NPC #167424 | Humanoid | Special | Identity record |
| Overseer Kah-Sher<The Will of the Arbiter> · NPC #170469 | Humanoid | Special | Identity record |
| Overseer Kah-Sher<Will of the Arbiter> · NPC #175805 | Humanoid | Special | Identity record |
| Overseer Kah-Sher<Will of the Arbiter> · NPC #175829 | Humanoid | Special | Identity record |
| Overseer KalvarosNPC #159689 | Unknown | Normal | Identity record |
| Overseer Rat-TailNPC #136819 | Unknown | Normal | Identity record |
| Overseer SeylannaNPC #20397 | Unknown | Normal | Identity record |
| Overseer ShartuulNPC #23063 | Unknown | Normal | Identity record |
| Overseer SylandraNPC #40098 | Unknown | Normal | Identity record |
| Overseer TalathorNPC #40097 | Unknown | Normal | Identity record |
| Overseer Th'talakNPC #98663 | Unknown | Normal | Identity record |
| Overseer Yolan'tiNPC #127126 | Unknown | Normal | Identity record |
| Overzealous BloomNPC #191099 | Unknown | Normal | Identity record |
| Ox Style InitiateNPC #99136 | Humanoid | Normal | Identity record |
| Ox Style InitiateNPC #105511 | Humanoid | Normal | Identity record |
| Painter's PaletteNPC #213493 | Unknown | Normal | Identity record |
| Pale GloomstalkerNPC #80583 | Unknown | Normal | Identity record |
| Pale SlumbertoothNPC #212437 | Wild pet | Normal | Identity record |
| Pale SlumbertoothNPC #212438 | Critter | Normal | Identity record |
| Pale SpidermasterNPC #92531 | Unknown | Normal | Identity record |
| Pale SpidermasterNPC #128131 | Unknown | Normal | Identity record |
| Pale SpiderwalkerNPC #76534 | Unknown | Normal | Identity record |