| Acronym | Definition |
|---|
| LADD➣Lifetime Average Daily Dose |
| LADD➣Los Angeles Derby Dolls (banked track roller derby league) |
| LADD➣Lacrimoauriculodentodigital (syndrome) |
| LADD➣Light and Darkness Dragon (YuGiOh trading cards) |
| LADD➣Low-Angle Drogue Delivery |
| LADD➣Lowest Acceptable Daily Dose |
| LADD➣Lens Antenna Deployment Demonstration |
| LADD➣Low-Altitude Drogued Delivery |
| LADD➣Left Anterior Descending Diagonal |