| Rank | Abbreviation | Meaning |
|---|
| ***** | LDAC | Long Distance Access Charge (surcharge to recover the cost of connecting a long distance carrier to the local carrier)
| |
| ***** | LDAC | Legal Drinking Age Consumer
| |
| **** | LDAC | Land Development Advisory Committee
| |
| ** | LDAC | Licensed Drug Abuse Counselor
| |
| * | LDAC | Laboratoire de Découpage d'Assemblages Combustibles (French: Fuel Assembly Shearing Laboratory)
| |
| * | LDAC | Learning Disabilities Association of Canada. Troubles d'Apprentissage - Association Canadienne
| |
| * | LDAC | Licensed Drug and Alcohol Counselors
| |
| * | LDAC | Learning Disability Association of Canada
| |
| * | LDAC | Lumber Dealers Association of Connecticut
| |
| * | LDAC | Learning Disabilities Association of Colorado
| |
| * | LDAC | Learning and Development Advisory Council
| |
| * | LDAC | low density adherent cells
| |
| * | LDAC | Leadership Development Assessment Course
| |
| * | LDAC | Learning Disabilities Association of California
| |
| * | LDAC | Lymphocyte dependent-antibody cytotoxicity
| |
| * | LDAC | Least Developed African Countries
| |
| * | LDAC | Learning Disabilities Association Canada
| |
| * | LDAC | Leadership Development Advanced Course
| |
| * | LDAC | local district advisory committee
| |
| * | LDAC | Leadership Development Advance Course
| |
| * | LDAC | Livable Delaware Advisory Council
| |
| * | LDAC | Letterman Digital Arts Center (San Francisco, CA)
| |
| * | LDAC | Leader Development Assessment Course
| |
| * | LDAC | Lyme Disease Advisory Committee
| |
| * | LDAC | Lander Design Analysis Cycle
| |