| Object Commands | Object Identity Modifiers | Object materials |
| Object quality | Object Quantity Modifiers | Obtaining a spell or skill outside of your characters guild |
| Ocean Domain | Oghma | Ogre's Den |
| OLC | Old Axe | old gnome guild help |
| oldsample | OOC Verbal Abuse | OOC/IC verbal abuse and harrassment |
| Ooma, Big Muddah Shaman o' da One Eye | Opportunist Feat | Oracles of the Moon - Selune |
| Orb of Acid | Orb of Cold | Orb of Fire |
| Orc Festival Grounds | Orc lands | Orc personality and nature |
| Orcish classes allowed | Orcs | Orcs - Physical description |
| Order | Order of the Aster - Lathander | Order of the Golden Lion - Torm |
| Order of the Golden Way | Order of the Purple Dragon | Order of the Ruby Rose - Sune |
| Order of the Shooting Star - Mystra | Order of the Starry Quill - Mystra | Order of the Steel Fang - Tempus |
| Order of the Unicorn's Horn - Mielikki | Orders Wrath | Organisations |
| Organization HQ and Side Areas | Orkskreem Woods | Orog |
| Osay | Otell | Other Famous Characters One |
| Other Famous Characters Three | Other Famous Characters Two | Other People's Property (OPP) |
| Other sites of interest | Out of Character Communication | Owl's Wisdom |
