| AOO | American Oceanic Organization | 美国海洋组织 |
| AOO | Altoona / Martinsburg, PA, USA - Blair County (Airport Code) | Altoona /马丁斯,美国-布莱尔县(机场代码) |
| AOO | Anticipated Operational Occurrence | 预计运行事件 |
| AOO | Attack of Opportunity (Dungeons & Dragons game) | 进攻的机会(地牢和龙游戏) |
| AOO | Analysis Objective Order | 分析目标顺序 |
| AOO | Attribute Oriented Operation | 面向属性的操作 |
| AOO | Area Operations Officer | 区域运营官 |
| AOO | Accounting Operations Office | 会计业务办公室 |
| AOO | Aviation Ordnance Officer | 航空军械官 |
| AOO | Area Of Operations | 运营区域 |
| AOO | Air Operations Officer | 空勤军官 |
| AOO | Agents of Oblivion | 遗忘代理人 |
| AOO | Adjudant Onderofficier | 裁判官 |
| AOO | Abel Oner Office (architectural firm) | Abel Oner办公室（建筑公司） |
| AOO | Amphibious Operations Officer | 两栖作战官 |
| AOO | Air Operations Order | 空中作战命令 |
| AOO | Altoona, Pennsylvania USA | 美国宾夕法尼亚州阿尔图纳 |