| LDDS | Light Division Direct Support | 轻型部门直接支持 |
| LDDS | Low-Dose Dexamethasone Suppression (test for canine Cushing's Disease) | 低剂量相关性压制(测试)的犬类库的疾病 |
| LDDS | local dentist | 当地牙医 |
| LDDS | Limited Distance Data Service | 有限距离数据勤务 |
| LDDS | Local Distributed Data Service | 本地分布式数据服务 |
| LDDS | Low Density Data System | 低密度数据系统 |
| LDDS | Linearly Degraded Discrete Signal | 线性退化离散信号 |
| LDDS | Local Digital Distribution Subsystem | 本地数字分配子系统 |