Lost Lands Guilds
| Guild Name | Members | Enemies | Online | Type | Kills |
| OSI Survivors | 24 | Standard | |||
| Organized Chaos | 14 | Standard | 1 | ||
| OLD | 9 | Standard | |||
| Old Knight's Of Ultima Online | 2 | Standard | |||
| Obnoxious Lewd Derilects | 2 | 1 | Chaos | ||
| Out To Kill | 2 | 7 | Order | 5 | |
| Orcs R Cool | 1 | Standard | |||
| Out of Mind | 1 | Order | |||
| One | 1 | Standard |
