| UNO | Universal Network Object | 通用网络对象 |
| UNO | United Online | 联合在线 |
| UNO | Birlesmis Milletler Teskilati | Birlesmis Milletler Teskilati公司 |
| UNO | Unidad Nacionalista Organizada | 国家统一组织 |
| UNO | Universal Network Objects | 通用网络对象 |
| UNO | Unified National O-Ring | 统一国家O形圈 |
| UNO | Unniloctium (hassium, element 108) | Unilotium(Hasium,元素108) |
| UNO | UniÓn Nacional Opositora | UniÓn Nacional Opositora |
| UNO | Ultimate Neutrino Observatory | 终极中微子观测站 |
| UNO | unit number (US DoD) | 单位编号(美国国防部) |
| UNO | Unless Noted Otherwise | 除非另有说明 |
| UNO | University of Nebraska at Omaha (Omaha, NE) | 内布拉斯加州大学奥马哈分校(东北奥马哈) |
| UNO | Urology Nurses Online (journal) | 泌尿外科护士在线(期刊) |
| UNO | United Nations Organization | 联合国组织 |
| UNO | University of Nebraska at Omaha | 内布拉斯加州大学奥马哈分校 |
| UNO | Unrestricted Natural Orbital | 无限制自然轨道 |
| UNO | University of New Orleans | 新奥尔良大学 |
| UNO | Universal Network Operations | 通用网络运营 |
| UNO | Unidad Nacionalista Organizada (Organized Nationalist Union; Guatemala) | 危地马拉民族主义联盟 |
| UNO | Universal Networked Objects | 通用网络对象 |
| UNO | United Neighborhood Organization | 联合邻里组织 |
| UNO | United Nations Observer | 联合国观察员 |
| UNO | University of Nebraska - Omaha | 内布拉斯加州大学-奥马哈 |
| UNO | Uno Restaurant Corporation | Uno餐厅公司 |
| UNO | Un-Named Organization | 未命名组织 |