| Acronym | Definition |
|---|
| LDI | Liability Driven Investing |
| LDI | Larga Distancia Internacional (Spanish: International Long Distance) |
| LDI | Laser Desorption/Ionisation |
| LDI | Louisiana Department of Insurance |
| LDI | Lvds Display Interface |
| LDI | Load and Increment |
| LDI | Lvds Digital Interface |
| LDI | Load Byte Immediate |
| LDI | Leadership Development Institute (California) |
| LDI | Leadership Development International (Newnan, GA) |
| LDI | Laser Direct Imaging |
| LDI | Long Distance International (Sprint) |
| LDI | Lighting Dimensions International |
| LDI | Laser Design, Inc. (scanning sytems; Minnesota) |
| LDI | Liberty Diversified Industries |
| LDI | Live Design International (trade show) |
| LDI | Local Development Initiative (USAID) |
| LDI | Let's Do It |
| LDI | Layered-Depth Image |
| LDI | Liberia Democratic Institute |
| LDI | Laser Diagnostic Instruments (Tallinn, Estonia) |
| LDI | Leisure Direct, Inc. (Perrysburg, OH) |
| LDI | Large Document Imaging (construction) |
| LDI | Loxley Designs, Inc (Arenzville, IL) |
| LDI | Low-Diameter Interconnection (computer networks) |
| LDI | Liquid Damage Indicator |
| LDI | Limiter-Discriminator-Integrator (receiver type) |
| LDI | Linear Digital Interpolation |
| LDI | Local Data-bus Interface |
| LDI | Localizer Deviation Indicator |
| LDI | Language Difficulty Index (linguistics) |
| LDI | Landscapers Depot Inc. (New Hampshire) |
| LDI | Logistics Document Identifier |
| LDI | Lynai Data, Inc. (Baltimore, MD) |