| UBO | Unidentified Bright Object (radiology) | 不明明亮物体（放射学） |
| UBO | United Booking Office (1920's Vaudeville Syndicate) | 曼联售票处》(1920年的歌剧集团) |
| UBO | Uniform Business Office | 制服业务办公室 |
| UBO | Used Boats Online | 二手船在线 |
| UBO | Underground Beat Online (Sacramento, CA based independent online magazine) | Underground Beat Online（位于加利福尼亚州萨克拉门托的独立在线杂志） |
| UBO | Unincorporated Business Organization | 非法人商业组织 |
| UBO | Ultimate Beneficial Owner | 最终受益所有人 |
| UBO | Urban Box Office | 城市票房 |
| UBO | Ultimate Baseball Online | 终极棒球在线 |
| UBO | UniversitÉ de Bretagne Occidentale (French University Britanny) | UniversitÉ de Bretagne Occidentale (French University Britanny) |