| OBS | organizational breakdown structure | 组织分解机构 |
| OBS | Observed | 观察 |
| OBS | Observation | 观察 |
| OBS | Observer | 观察者 |
| OBS | Ocala Breeders Sales | Ocala饲养员销售 |
| OBS | Orange Blossom Special | 桔子花开 |
| OBS | Organization(al) Breakdown Structure | 组织分解结构 |
| OBS | Operation Boat Smart | 智能操作船 |
| OBS | Optical Back Scatter (class of turbidity sensors) | 光学背散射(浊度传感器类别) |
| OBS | Organic Brain Syndrome | 器质性脑综合征 |
| OBS | Obsolete | 淘汰的 |
| OBS | Optical Biopsy System | 光学活检系统 |
| OBS | Observation (Groundwater Modeling Systems) | 观测(地下水建模系统) |
| OBS | OSIS Baseline System | OSIS基线系统 |
| OBS | Operational Bioinstrumentation System | 操作生物仪器系统 |
| OBS | Ocean Bottom Seismometer | 海底地震仪 |
| OBS | Outward Bound Singapore | 新加坡外展学校 |
| OBS | On-Board Switching | 车载开关 |
| OBS | Out-of-Band Signaling | 带外信号 |
| OBS | Obstacle | 障碍 |
| OBS | Oxford Biosignals Ltd | 牛津生物信号有限公司 |
| OBS | obstetrical service | 产科服务 |
| OBS | Oracle Bridging System | Oracle桥接系统 |
| OBS | Olympus BioSystems | 奥林巴斯生物系统公司 |
| OBS | Orbiting Brown-dwarf Star | 轨道棕矮星 |
| OBS | Ocala Breeders' Sales Company | Ocala繁育者的销售公司 |
| OBS | Output-Based Specification | 基于输出的规范 |
| OBS | Optical Back Scatter | 光学背散射 |
| OBS | Script (ObjectScript) | 脚本(ObjectScript) |
| OBS | Oriental Blank Stare | 东方空白星 |
| OBS | Aubenas, France | 法国奥本纳斯 |
| OBS | Open Book Systems | 开卷系统 |
| OBS | Overbrook School for the Blind | 奥弗布鲁克盲人学校 |
| OBS | On Board Spares | 车载备件 |
| OBS | Omni Bearing Selector | 全向方位选择器 |
| OBS | Open Bidding Service (Canada) | 公开招标服务(加拿大) |
| OBS | On-Base Average and Slugging percentage (baseball statistic) | 基础平均值和击球百分比(棒球统计) |
| OBS | Out of Balance Switch | 失衡开关 |
| OBS | Outward Bound School | 外展训练学校 |
| OBS | Old Brown Sherry | 老布朗雪莉酒 |
| OBS | Obligation À Bons de Souscriptions | Obligation À Bons de Souscriptions |
| OBS | Off Balance Sheet | 资产负债表外 |
| OBS | Old Black Spruce | 老黑云杉 |
| OBS | Office of Boating Safety (Canadian Coast Guard) | 划船安全办公室(加拿大海岸警卫队) |
| OBS | Optical Burst Switching (IEEE) | 光突发交换(IEEE) |
| OBS | Office Based Sales | 基于办公室的销售 |
| OBS | On-Board Service | 车载服务 |
| OBS | Obstructive Bowel Syndrome | 梗阻性肠综合征 |
| OBS | old body style (automotive) | 老式车身(汽车) |
| OBS | Obstruction (baseball) | 障碍物(棒球) |
| OBS | Off Bore Sight | 离井瞄准镜 |
| OBS | Openbare Basisschool | 开放式基础学校 |
| OBS | Orlando Ballet School (Florida, USA) | 奥兰多芭蕾舞学校(美国佛罗里达州) |