| MDO | MEDIUM DIESEL OIL | 混合柴油 |
| MDO | Minimum Distribution Option | 最小分配选项 |
| MDO | Modified Density Overlay | 修改的密度叠加 |
| MDO | Middleton Island, Alaska USA | 米德尔顿岛，美国阿拉斯加州 |
| MDO | Maryland Online Network | 马里兰在线网络 |
| MDO | Multidisciplinary Design Optnet | 多学科设计选择网 |
| MDO | Marine Diesel Oil | 船用柴油 |
| MDO | Medical Defense Officer | 医疗防卫官 |
| MDO | Market Development Organisation | 市场开发组织 |
| MDO | Mothers Day Out | 母亲节结束 |
| MDO | Medium Density Overlay | 中等密度覆盖 |
| MDO | Multidisciplinary Design Optimization | 多学科设计优化 |
| MDO | Market Delivery Operation (Sears) | 市场交付运营（西尔斯） |
| MDO | Mass Distribution Operation | 质量分配操作 |
| MDO | Multidisciplinary Optimization | 多学科优化 |
| MDO | Methodist Diaconal Order | 卫理公会Diaconal Order |
| MDO | Medium Density Overlay (engineered plywood) | 中密度覆盖层（工程胶合板） |
| MDO | Motor Diesel Oil | 汽车柴油 |
| MDO | Manager Distribution Operations | 分销运营经理 |
| MDO | Marine-Safety Duty Officer | 海上安全值班员 |
| MDO | Medical Doctor's Office | 医生的办公室 |
| MDO | Market Development Organization | 市场开发组织 |
| MDO | Mentally Disordered Offender | 精神错乱的罪犯 |
| MDO | Machine Direction Orientation (polyetheylene sheeting) | 机器方向方向（聚乙烯片材） |
| MDO | Multi-State Dependent Operation | 多状态相关操作 |
| MDO | Monthly Debit Ordinary (insurance) | 每月普通借记（保险） |