| AUO | Auxiliary Unit Operator | 辅助装置操作员 |
| AUO | Aggravated Unlicensed Operation (of a Motor Vehicle) | （机动车辆的）加重的无证驾驶 |
| AUO | alt.usenet.offline | alt.usenet.offline |
| AUO | Auburn University Opelika | 奥本大学奥佩利卡分校 |
| AUO | Assistant Unit Operator | 机组助理操作员 |
| AUO | Administratively Uncontrollable Overtime | 行政上无法控制的加班 |
| AUO | Au Optronics Corporation | Au Optronics公司 |
| AUO | Authorized Unscheduled Overtime | 授权非计划加班 |
| AUO | amyloid of unknown origin | 来源不明的淀粉样蛋白 |
| AUO | Active User Object | 活动用户对象 |
| AUO | Adult UnderOfficer | 成年下级军官 |
| AUO | Area Utilization Officer | 区域利用官员 |