| LAD | Laboratorio de Arquitectura Dominicana 
| Others |
| LAD | Laboratory Aim Density
| Others |
| LAD | Laboratory Astrophysics Division
| Others |
| LAD | Lacking Any Description
| Others |
| LAD | Ladino
| Others |
| LAD | Lance Armstrong Disease
| Others |
| LAD | Language Acquisition Device
| Others |
| LAD | Language Arts Department
| Others |
| LAD | Language Assimilation Development
| Others |
| LAD | Language Detection
| Others |
| LAD | Large Animal Detection
| Others |
| LAD | Large Area Display
| Others |
| LAD | Last Action Date
| Others |
| LAD | Last Appearance Datum
| Others |
| LAD | Last Deposit
| Others |
| LAD | Latest Arrival Date
| Others |
| LAD | Leadership Academy for Development
| Others |
| LAD | Least Absolute Deviation
| Others |
| LAD | Least Absolute Deviations
| Others |
| LAD | Left Anterior Descending
| Others |
| LAD | Left Axis Deviation
| Others |
| LAD | Letter of acknowledgement of debt
| Others |
| LAD | Leukocyte Adhesion Deficiency
| Others |
| LAD | Leukocyte Antibody Detection
| Others |
| LAD | Life Absence and Disability
| Others |
| LAD | Life After Death
| Others |
| LAD | Life And Death
| Others |
| LAD | Light Aid Detatchment
| Others |
| LAD | Light And Darkness
| Others |
| LAD | Light Antigravity Device
| Others |
| LAD | Limited Assignment Distribution
| Others |
| LAD | Line Amplifying Device
| Others |
| LAD | Linguistic Association Disorder
| Others |
| LAD | Linux Audio Developers
| Others |
| LAD | Linux Audio Development
| Others |
| LAD | Live A Dream
| Others |
| LAD | Local Area Disk
| Others |
| LAD | Local Assessment Development
| Others |
| LAD | Log Annotation Device
| Others |
| LAD | Logical Aptitude Device
| Others |
| LAD | Logistics Anchor Desk
| Others |
| LAD | Logistics Automation Directorate
| Others |
| LAD | Longhorn Array Database
| Others |
| LAD | Look Assess Decide
| Others |
| LAD | Los Angeles Dodgers
| Others |
| LAD | Lost Again Dammit
| Others |
| LAD | Louisiana Alliance for Dance
| Others |
| LAD | Love And Devotion
| Others |
| LAD | Love, Adore, and Dream
| Others |
| LAD | Low Active Discrimination
| Others |
| LAD | Low Altitude Dispenser
| Others |
| LAD | Loyalists Against Democracy
| Others |
| LAD | Lucky Answer Done
| Others |