| Acronym | Definition |
|---|
| LDA | Latent Dirichlet Allocation (statistics) |
| LDA | Laser Doppler Anemometer |
| LDA | Landing Distance Available |
| LDA | Lahore Development Authority |
| LDA | Load Accumulator (6502 processor instruction) |
| LDA | Light Double Action (semiautomatic pistols) |
| LDA | Local Democracy Agency (various locations) |
| LDA | Left Displaced Abomasum |
| LDA | Local Data Area |
| LDA | Logical Device Address |
| LDA | Late-Deafened Adults |
| LDA | Last Day of Attendance |
| LDA | Lutheran Deaconess Association |
| LDA | Latin Dance Australia |
| LDA | Large Diameter Auger |
| LDA | Late Discovery Adoptee |
| LDA | Loss-Delay-Based Adjustment |
| LDA | Location-Dependent Address |
| LDA | Local Director Acceleration |
| LdA | Libertà d'Azione (Freedom of Action Party, Italy) |
| LDA | Left Displacement of Abomasum |
| LDA | Landing Directional Aid |
| LDA | Linear Danger Area (military) |
| LDA | London Dressage Association (Canada) |
| LDA | Launch Deployment Assembly |
| LDA | Limited Depository Account |
| LDA | Lambda Delta Alpha (fraternity) |
| LDA | Locate Drum Address |
| LDA | Launch and Deployment Authority |
| LDA | Locally Distributed Asynchronous (micro-pipeline) |
| LDA | Lightweight Decontamination Apparatus |
| LDA | Lead Development Agent/Agency |
| LDA | Line Driver Amplifier |
| LDA | Limited Deployment Authorization |
| LDA | Lithographic Dipole Antenna |
| LDA | Lower Dog Auxiliary |
| LDA | Local Dependent Address |
| LDA | Local Deliverability Area (power industry) |
| LDA | Land Design Associates, Inc. (Brunswick, GA) |
| LDA | Liste des Documents Applicables (French: List of Applicable Documents) |
| LDA | Limitada (Portuguese; similar to Limited Liability Company) |
| LDA | Linear Discriminant Analysis (statistical method) |
| LDA | Low Density Area |
| LDA | London Development Agency |
| LDA | Lucknow Development Authority (India) |
| LDA | Learning Disabilities Association |
| LDA | Lithium Diisopropylamide |
| LDA | Louisiana Dental Association |
| LDA | Local Delivery Agent |
| LDA | Local Density Approximation |
| LDA | Localizer (Type) Directional Aid |
| LDA | Local Directory Assistance |
| LDA | Loring Development Authority (civilian reuse project) |
| LDA | Liga Deportiva Alajuelense (Costa Rica football club) |
| LDA | Leadership Analysis (CIA office) |
| LDA | Louisiana Dietetic Association |
| LDA | Linear Diode Array |
| LDA | Legal Drinking Age |
| LDA | Locally Determined Assessment (education) |
| LDA | Leadership Development Academy |
| LDA | Lyme Disease Association |