| Acronym | Definition |
|---|
| LAD | Left Anterior Descending (anatomical location of coronary artery) |
| LAD | Los Angeles Dodgers (baseball team) |
| LAD | Life After Death (gaming clan; music album) |
| LAD | Language Acquisition Device (brain structure; Chomsky) |
| LAD | Leukocyte Adhesion Deficiency |
| LAD | Lymphadenopathy |
| LAD | Least Absolute Deviation (estimation) |
| LAD | Left Axis Deviation (EKG) |
| LAD | Light Aid Detachment |
| LAD | Latest Arrival Date |
| LAD | Laboratoire Suisse d'Analyse du Dopage |
| LAD | Legislative Audit Division (Montana) |
| LAD | Luanda, Angola - Fevereiro (Airport Code) |
| LAD | Latin America Division (Association of Rotational Molders) |
| LAD | Logistics Anchor Desk |
| LAD | Liquidated & Ascertained Damages |
| LAD | Local Area Disk |
| LAD | Linger And Die (gaming clan) |
| LAD | Louisiana Association of the Deaf |
| LAD | Linear Application Development |
| LAD | Lower Anterior Descending artery (graft) |
| LAD | License Application Design |
| LAD | Linear Amplitude Distortion |
| LAD | Liquid Agent Detector |
| LAD | Long Alcoholic Drink (Ireland and UK) |
| LAD | Launch Assist Device |
| LAD | Light Armored Division |
| LAD | Laser Acquisition Device |
| LAD | Location Aid Device |
| LAD | Local Attack Detection |
| LAD | Logistics Automation Directorate |
| LAD | Logistics Assistance Directorate |
| LAD | Long Axis Diameter |
| LAD | Landing Assist Device |
| LAD | Labor Authorization Document |
| LAD | Launch Area Defense |
| LAD | Launch Area(s) Denied (Ballistic Missile Defense System) |
| LAD | Lyn Aerospace & Defense (Melbourne, FL) |
| LAD | Leader Accreditation Department (La Leche League) |
| LAD | Limited Authorization Drawing |
| LAD | Learning Aim Database (UK) |