OAO相关缩略词条，共有 13 条。
- OAO:Orbiting Astronomical Observatory 欧奥（轨道天文观测站）
- OAO:Opticians Association of Ohio 在俄亥俄州的眼科大夫协会
- OAO:On-line Analog Output 联机模拟输出
- OAO:Ontario Association of Orthodontists 安大略协会的便利
- OAO:Ontario Association of Optometrists 安大略省Optometrists协会
- OAO:Owned and Operated 拥有和经营
- OAO:One And Only adj. 唯一的
- OAO:Over and Out 通话完毕
- OAO:Otkrytoe Aktsionernoe Obschestvo (Russian: Open Joint Stock Corporation) Otkrytoe Aktsionernoe Obschestvo(俄罗斯:打开股份有限公司)
- OAO:Orthogonalized Atomic Orbital Orthogonalized原子轨道
- OAO:Orbital Analysis Officer 轨道分析军官
- OAO:Office of Academic Opportunities 办公室的机会
- OAO:Original Art Only 原始的艺术
