| OBO | Obihiro, Japan - Obihiro (Airport Code) | 日本Obihiro（机场代码） |
| OBO | Oil/Bulk/Ore (carrier ships description) | 油/批量/矿(载体)船舶 |
| OBO | Oboe (music scores) | 双簧管（乐谱） |
| OBO | One By One | 逐一地 |
| OBO | Office of Business Oversight | 商业监督办公室 |
| OBO | Original Bets Only | 仅原始投注 |
| OBO | Official Business Only | 仅限公务人员 |
| OBO | Oregon Board of Optometry | 俄勒冈州验光委员会 |
| OBO | One by One (competitive figure skating scoring) | 一个接一个（花样滑冰比赛得分） |
| OBO | Obihiro, Japan | 日本Obihiro |
| OBO | Orbis Biblicus et Orientalis | 《圣经与东方》 |
| OBO | Ore-Bulk-Oil ship type | 矿石散装油船型 |
| OBO | One By One (animal rescue) | 一个接一个（动物救援） |
| OBO | Oh Baby Oh | 哦宝贝哦 |
| OBO | Outboard Officer | 舷外驾驶员 |
| OBO | On Behalf Of | 代表 |
| OBO | Or Best Offer | 或最佳报价 |
| OBO | Oil Bulk Ore | 石油散装矿石 |
| OBO | Orbis Biblicus et Orientalensis (German) | Orbis Biblicus et Orientalensis（德语） |
| OBO | One Ball Only | 仅限一个球 |
| OBO | Or Best Offer (used in for sale ads) | 或最佳报价（用于销售广告） |
| OBO | Observation (UK) | 观察（英国） |
| OBO | Open Biological Ontology | 开放生物本体论 |
| OBO | Open Biomedical Ontologies | 开放生物医学本体论 |
| OBO | Owner Buy Out | 所有者买断 |
| OBO | Overseas Buildings Operations (US Department of State) | 海外建筑运营（美国国务院） |
| OBO | On Basis Of | 基于 |
| OBO | off by one (arithmetic error) | 差一（算术错误） |
| OBO | On Buyout (auctioning services) | 收购（拍卖服务） |
| OBO | Output Backoff | 输出回退 |
| OBO | Over-By-Over (Cricket sport) | Over By Over（板球运动） |
| OBO | Outdoor Box Office Ltd. | 户外票房有限公司。 |
| OBO | Owned by Owner | 所有者所有 |
| OBO | Operated By Others | 由其他人操作 |