| LDAA | Lancaster and District Angling Association 
| Others |
| LDAA | Larsen Dye Associates Architects
| Others |
| LDAA | Last Date of Academic Activity
| Others |
| LDAA | Learning Disabilities Association of Alabama
| Others |
| LDAA | Learning Disabilities Association of Alberta
| Others |
| LDAA | Learning Disabilities Association of America
| Others |
| LDAA | Learning Disabilities Association of Arkansas
| Others |
| LDAA | Lincoln and District Angling Association
| Others |
| LDAA | Line Dance Association of Australia
| Others |
| LDAA | Litchfield Dance Arts Academy
| Others |
| LDAA | Liverpool Dementia Action Alliance
| Others |
| LDAA | Locally Developed Alternative Assessment
| Others |
| LDAA | Louisiana District Attorney Association
| Others |
| LDAA | Louisiana District Attorneys Association
| Others |
| LDAA | Lyme Disease Association of Alberta
| Others |