| LDI | Logistic data interchange | 物流信息交换 |
| LDI | low density lipoprotein distribution index | 低密度脂蛋白分布指数 |
| LDI | Long Distance Interconnect | 长距离互连 |
| LDI | Lindi, Tanzania | 坦桑尼亚林迪 |
| LDI | Link Data Internetworking interpolator | 链路数据互联内插器 |
| LDI | Load Data Immediate | 立即加载数据 |
| LDI | Liberty Diversified Industries | Liberty多元化产业 |
| LDI | Leadership Development Institute | 领导力发展研究所 |
| LDI | lysinediisocyanate | 赖氨二异氰酸酯 |
| LDI | Liquid Damage Indicator | 液体损坏指示器 |
| LDI | Live Design International (trade show) | Live Design International(贸易展) |
| LDI | Laser Diagnostic Instruments (Tallinn, Estonia) | 激光诊断仪器(爱沙尼亚塔林) |
| LDI | Laser Direct Imaging | 激光直接成像 |
| LDI | Leadership Development Institute (California) | 领导力发展研究所(加利福尼亚州) |
| LDI | Long Distance International (Sprint) | 长途国际(Sprint) |
| LDI | Local Data-bus Interface | 本地数据总线接口 |
| LDI | Logistics Document Identifier | 物流文件标识符 |
| LDI | Layered-Depth Image | 分层深度图像 |
| LDI | Large Document Imaging (construction) | 大型文档成像(施工) |
| LDI | Landscapers Depot Inc. (New Hampshire) | Landscapers Depot Inc.(新罕布什尔州) |
| LDI | Liability Driven Investing | 负债驱动投资 |
| LDI | Language Difficulty Index (linguistics) | 语言难度指数(语言学) |
| LDI | Limiter-Discriminator-Integrator (receiver type) | 限制器鉴别器积分器(接收器类型) |
| LDI | Lighting Dimensions International | 国际照明尺寸 |
| LDI | Loxley Designs, Inc (Arenzville, IL) | 洛克斯利设计公司(伊利诺伊州阿伦兹维尔) |
| LDI | Linear Digital Interpolation | 线性数字插值 |
| LDI | Louisiana Department of Insurance | 路易斯安那州保险部 |
| LDI | Localizer Deviation Indicator | 定位器偏差指示器 |