| LDO | Long Distant Office | 長途局 |
| LDO | Luxury Decor Option | 豪华装饰选项 |
| LDO | Luminescent Dissolved Oxygen | 发光溶解氧 |
| LDO | Local Dental Officer | 当地牙科医生 |
| LDO | Lightweight Data Object | 轻量级数据对象 |
| LDO | Ladies Day Out | 女士日出 |
| LDO | Lot Development Option | 地块开发选项 |
| LDO | Land Development Ordinance | 土地发展条例 |
| LDO | Lunar Discovery Orbiter | 月球发现轨道飞行器 |
| LDO | Local Development Officer (Nepal) | 当地发展官员（尼泊尔） |
| LDO | Low-Dropout (Used With Regulators) | 低压降（与稳压器一起使用） |
| LDO | Limited Defensive Operations | 有限的防御行动 |
| LDO | Lei de Diretriz OrçamentÁria (Brazilian Budget Master Law) | Lei de Diretriz OrçamentÁria (Brazilian Budget Master Law) |
| LDO | Like, Duh, Obviously | 比如，杜，很明显 |
| LDO | Low Drop Out | 低落差 |
| LDO | Limited Duty Officer | 担任有限职务的军官 |
| LDO | Lease-Develop-Operate | 租赁开发运营 |
| LDO | Lebanese Development Organization | 黎巴嫩发展组织 |
| LDO | Licensed Dispensing Optician | 授权配药光学师 |
| LDO | Last Date to Order | 订单的最后日期 |
| LDO | Legal Day One (mergers and aquistions) | 法律第一天（兼并和收购） |
| LDO | Light Diesel Oil (petroleum) | 轻质柴油（石油） |
| LDO | Long Duration Orbiter | 长时间轨道飞行器 |
| LDO | low dissolved axygen | 低溶解氧 |
| LDO | Ladouanie, Republic Of Surinam | 拉杜阿尼，苏里南共和国 |
| LDO | Light Diesel Oil | 轻质柴油 |